import { aliasedTable, aliasedTableColumn, mapColumnsInAliasedSQLToAlias, mapColumnsInSQLToAlias } from "../alias.js";
import { CasingCache } from "../casing.js";
import { Column } from "../column.js";
import { entityKind, is } from "../entity.js";
import { DrizzleError } from "../errors.js";
import {
  PgColumn,
  PgDate,
  PgDateString,
  PgJson,
  PgJsonb,
  PgNumeric,
  PgTime,
  PgTimestamp,
  PgTimestampString,
  PgUUID
} from "./columns/index.js";
import { PgTable } from "./table.js";
import {
  getOperators,
  getOrderByOperators,
  Many,
  normalizeRelation,
  One
} from "../relations.js";
import { and, eq, View } from "../sql/index.js";
import {
  Param,
  SQL,
  sql
} from "../sql/sql.js";
import { Subquery } from "../subquery.js";
import { getTableName, getTableUniqueName, Table } from "../table.js";
import { orderSelectedFields } from "../utils.js";
import { ViewBaseConfig } from "../view-common.js";
import { PgViewBase } from "./view-base.js";
class PgDialect {
  static [entityKind] = "PgDialect";
  /** @internal */
  casing;
  constructor(config) {
    this.casing = new CasingCache(config?.casing);
  }
  async migrate(migrations, session, config) {
    const migrationsTable = typeof config === "string" ? "__drizzle_migrations" : config.migrationsTable ?? "__drizzle_migrations";
    const migrationsSchema = typeof config === "string" ? "drizzle" : config.migrationsSchema ?? "drizzle";
    const migrationTableCreate = sql`
			CREATE TABLE IF NOT EXISTS ${sql.identifier(migrationsSchema)}.${sql.identifier(migrationsTable)} (
				id SERIAL PRIMARY KEY,
				hash text NOT NULL,
				created_at bigint
			)
		`;
    await session.execute(sql`CREATE SCHEMA IF NOT EXISTS ${sql.identifier(migrationsSchema)}`);
    await session.execute(migrationTableCreate);
    const dbMigrations = await session.all(
      sql`select id, hash, created_at from ${sql.identifier(migrationsSchema)}.${sql.identifier(migrationsTable)} order by created_at desc limit 1`
    );
    const lastDbMigration = dbMigrations[0];
    await session.transaction(async (tx) => {
      for await (const migration of migrations) {
        if (!lastDbMigration || Number(lastDbMigration.created_at) < migration.folderMillis) {
          for (const stmt of migration.sql) {
            await tx.execute(sql.raw(stmt));
          }
          await tx.execute(
            sql`insert into ${sql.identifier(migrationsSchema)}.${sql.identifier(migrationsTable)} ("hash", "created_at") values(${migration.hash}, ${migration.folderMillis})`
          );
        }
      }
    });
  }
  escapeName(name) {
    return `"${name}"`;
  }
  escapeParam(num) {
    return `$${num + 1}`;
  }
  escapeString(str) {
    return `'${str.replace(/'/g, "''")}'`;
  }
  buildWithCTE(queries) {
    if (!queries?.length)
      return void 0;
    const withSqlChunks = [sql`with `];
    for (const [i, w] of queries.entries()) {
      withSqlChunks.push(sql`${sql.identifier(w._.alias)} as (${w._.sql})`);
      if (i < queries.length - 1) {
        withSqlChunks.push(sql`, `);
      }
    }
    withSqlChunks.push(sql` `);
    return sql.join(withSqlChunks);
  }
  buildDeleteQuery({ table, where, returning, withList }) {
    const withSql = this.buildWithCTE(withList);
    const returningSql = returning ? sql` returning ${this.buildSelection(returning, { isSingleTable: true })}` : void 0;
    const whereSql = where ? sql` where ${where}` : void 0;
    return sql`${withSql}delete from ${table}${whereSql}${returningSql}`;
  }
  buildUpdateSet(table, set) {
    const tableColumns = table[Table.Symbol.Columns];
    const columnNames = Object.keys(tableColumns).filter(
      (colName) => set[colName] !== void 0 || tableColumns[colName]?.onUpdateFn !== void 0
    );
    const setSize = columnNames.length;
    return sql.join(columnNames.flatMap((colName, i) => {
      const col = tableColumns[colName];
      const value = set[colName] ?? sql.param(col.onUpdateFn(), col);
      const res = sql`${sql.identifier(this.casing.getColumnCasing(col))} = ${value}`;
      if (i < setSize - 1) {
        return [res, sql.raw(", ")];
      }
      return [res];
    }));
  }
  buildUpdateQuery({ table, set, where, returning, withList, from, joins }) {
    const withSql = this.buildWithCTE(withList);
    const tableName = table[PgTable.Symbol.Name];
    const tableSchema = table[PgTable.Symbol.Schema];
    const origTableName = table[PgTable.Symbol.OriginalName];
    const alias = tableName === origTableName ? void 0 : tableName;
    const tableSql = sql`${tableSchema ? sql`${sql.identifier(tableSchema)}.` : void 0}${sql.identifier(origTableName)}${alias && sql` ${sql.identifier(alias)}`}`;
    const setSql = this.buildUpdateSet(table, set);
    const fromSql = from && sql.join([sql.raw(" from "), this.buildFromTable(from)]);
    const joinsSql = this.buildJoins(joins);
    const returningSql = returning ? sql` returning ${this.buildSelection(returning, { isSingleTable: !from })}` : void 0;
    const whereSql = where ? sql` where ${where}` : void 0;
    return sql`${withSql}update ${tableSql} set ${setSql}${fromSql}${joinsSql}${whereSql}${returningSql}`;
  }
  /**
   * Builds selection SQL with provided fields/expressions
   *
   * Examples:
   *
   * `select <selection> from`
   *
   * `insert ... returning <selection>`
   *
   * If `isSingleTable` is true, then columns won't be prefixed with table name
   */
  buildSelection(fields, { isSingleTable = false } = {}) {
    const columnsLen = fields.length;
    const chunks = fields.flatMap(({ field }, i) => {
      const chunk = [];
      if (is(field, SQL.Aliased) && field.isSelectionField) {
        chunk.push(sql.identifier(field.fieldAlias));
      } else if (is(field, SQL.Aliased) || is(field, SQL)) {
        const query = is(field, SQL.Aliased) ? field.sql : field;
        if (isSingleTable) {
          chunk.push(
            new SQL(
              query.queryChunks.map((c) => {
                if (is(c, PgColumn)) {
                  return sql.identifier(this.casing.getColumnCasing(c));
                }
                return c;
              })
            )
          );
        } else {
          chunk.push(query);
        }
        if (is(field, SQL.Aliased)) {
          chunk.push(sql` as ${sql.identifier(field.fieldAlias)}`);
        }
      } else if (is(field, Column)) {
        if (isSingleTable) {
          chunk.push(sql.identifier(this.casing.getColumnCasing(field)));
        } else {
          chunk.push(field);
        }
      }
      if (i < columnsLen - 1) {
        chunk.push(sql`, `);
      }
      return chunk;
    });
    return sql.join(chunks);
  }
  buildJoins(joins) {
    if (!joins || joins.length === 0) {
      return void 0;
    }
    const joinsArray = [];
    for (const [index, joinMeta] of joins.entries()) {
      if (index === 0) {
        joinsArray.push(sql` `);
      }
      const table = joinMeta.table;
      const lateralSql = joinMeta.lateral ? sql` lateral` : void 0;
      if (is(table, PgTable)) {
        const tableName = table[PgTable.Symbol.Name];
        const tableSchema = table[PgTable.Symbol.Schema];
        const origTableName = table[PgTable.Symbol.OriginalName];
        const alias = tableName === origTableName ? void 0 : joinMeta.alias;
        joinsArray.push(
          sql`${sql.raw(joinMeta.joinType)} join${lateralSql} ${tableSchema ? sql`${sql.identifier(tableSchema)}.` : void 0}${sql.identifier(origTableName)}${alias && sql` ${sql.identifier(alias)}`} on ${joinMeta.on}`
        );
      } else if (is(table, View)) {
        const viewName = table[ViewBaseConfig].name;
        const viewSchema = table[ViewBaseConfig].schema;
        const origViewName = table[ViewBaseConfig].originalName;
        const alias = viewName === origViewName ? void 0 : joinMeta.alias;
        joinsArray.push(
          sql`${sql.raw(joinMeta.joinType)} join${lateralSql} ${viewSchema ? sql`${sql.identifier(viewSchema)}.` : void 0}${sql.identifier(origViewName)}${alias && sql` ${sql.identifier(alias)}`} on ${joinMeta.on}`
        );
      } else {
        joinsArray.push(
          sql`${sql.raw(joinMeta.joinType)} join${lateralSql} ${table} on ${joinMeta.on}`
        );
      }
      if (index < joins.length - 1) {
        joinsArray.push(sql` `);
      }
    }
    return sql.join(joinsArray);
  }
  buildFromTable(table) {
    if (is(table, Table) && table[Table.Symbol.OriginalName] !== table[Table.Symbol.Name]) {
      let fullName = sql`${sql.identifier(table[Table.Symbol.OriginalName])}`;
      if (table[Table.Symbol.Schema]) {
        fullName = sql`${sql.identifier(table[Table.Symbol.Schema])}.${fullName}`;
      }
      return sql`${fullName} ${sql.identifier(table[Table.Symbol.Name])}`;
    }
    return table;
  }
  buildSelectQuery({
    withList,
    fields,
    fieldsFlat,
    where,
    having,
    table,
    joins,
    orderBy,
    groupBy,
    limit,
    offset,
    lockingClause,
    distinct,
    setOperators
  }) {
    const fieldsList = fieldsFlat ?? orderSelectedFields(fields);
    for (const f of fieldsList) {
      if (is(f.field, Column) && getTableName(f.field.table) !== (is(table, Subquery) ? table._.alias : is(table, PgViewBase) ? table[ViewBaseConfig].name : is(table, SQL) ? void 0 : getTableName(table)) && !((table2) => joins?.some(
        ({ alias }) => alias === (table2[Table.Symbol.IsAlias] ? getTableName(table2) : table2[Table.Symbol.BaseName])
      ))(f.field.table)) {
        const tableName = getTableName(f.field.table);
        throw new Error(
          `Your "${f.path.join("->")}" field references a column "${tableName}"."${f.field.name}", but the table "${tableName}" is not part of the query! Did you forget to join it?`
        );
      }
    }
    const isSingleTable = !joins || joins.length === 0;
    const withSql = this.buildWithCTE(withList);
    let distinctSql;
    if (distinct) {
      distinctSql = distinct === true ? sql` distinct` : sql` distinct on (${sql.join(distinct.on, sql`, `)})`;
    }
    const selection = this.buildSelection(fieldsList, { isSingleTable });
    const tableSql = this.buildFromTable(table);
    const joinsSql = this.buildJoins(joins);
    const whereSql = where ? sql` where ${where}` : void 0;
    const havingSql = having ? sql` having ${having}` : void 0;
    let orderBySql;
    if (orderBy && orderBy.length > 0) {
      orderBySql = sql` order by ${sql.join(orderBy, sql`, `)}`;
    }
    let groupBySql;
    if (groupBy && groupBy.length > 0) {
      groupBySql = sql` group by ${sql.join(groupBy, sql`, `)}`;
    }
    const limitSql = typeof limit === "object" || typeof limit === "number" && limit >= 0 ? sql` limit ${limit}` : void 0;
    const offsetSql = offset ? sql` offset ${offset}` : void 0;
    const lockingClauseSql = sql.empty();
    if (lockingClause) {
      const clauseSql = sql` for ${sql.raw(lockingClause.strength)}`;
      if (lockingClause.config.of) {
        clauseSql.append(
          sql` of ${sql.join(
            Array.isArray(lockingClause.config.of) ? lockingClause.config.of : [lockingClause.config.of],
            sql`, `
          )}`
        );
      }
      if (lockingClause.config.noWait) {
        clauseSql.append(sql` no wait`);
      } else if (lockingClause.config.skipLocked) {
        clauseSql.append(sql` skip locked`);
      }
      lockingClauseSql.append(clauseSql);
    }
    const finalQuery = sql`${withSql}select${distinctSql} ${selection} from ${tableSql}${joinsSql}${whereSql}${groupBySql}${havingSql}${orderBySql}${limitSql}${offsetSql}${lockingClauseSql}`;
    if (setOperators.length > 0) {
      return this.buildSetOperations(finalQuery, setOperators);
    }
    return finalQuery;
  }
  buildSetOperations(leftSelect, setOperators) {
    const [setOperator, ...rest] = setOperators;
    if (!setOperator) {
      throw new Error("Cannot pass undefined values to any set operator");
    }
    if (rest.length === 0) {
      return this.buildSetOperationQuery({ leftSelect, setOperator });
    }
    return this.buildSetOperations(
      this.buildSetOperationQuery({ leftSelect, setOperator }),
      rest
    );
  }
  buildSetOperationQuery({
    leftSelect,
    setOperator: { type, isAll, rightSelect, limit, orderBy, offset }
  }) {
    const leftChunk = sql`(${leftSelect.getSQL()}) `;
    const rightChunk = sql`(${rightSelect.getSQL()})`;
    let orderBySql;
    if (orderBy && orderBy.length > 0) {
      const orderByValues = [];
      for (const singleOrderBy of orderBy) {
        if (is(singleOrderBy, PgColumn)) {
          orderByValues.push(sql.identifier(singleOrderBy.name));
        } else if (is(singleOrderBy, SQL)) {
          for (let i = 0; i < singleOrderBy.queryChunks.length; i++) {
            const chunk = singleOrderBy.queryChunks[i];
            if (is(chunk, PgColumn)) {
              singleOrderBy.queryChunks[i] = sql.identifier(chunk.name);
            }
          }
          orderByValues.push(sql`${singleOrderBy}`);
        } else {
          orderByValues.push(sql`${singleOrderBy}`);
        }
      }
      orderBySql = sql` order by ${sql.join(orderByValues, sql`, `)} `;
    }
    const limitSql = typeof limit === "object" || typeof limit === "number" && limit >= 0 ? sql` limit ${limit}` : void 0;
    const operatorChunk = sql.raw(`${type} ${isAll ? "all " : ""}`);
    const offsetSql = offset ? sql` offset ${offset}` : void 0;
    return sql`${leftChunk}${operatorChunk}${rightChunk}${orderBySql}${limitSql}${offsetSql}`;
  }
  buildInsertQuery({ table, values: valuesOrSelect, onConflict, returning, withList, select, overridingSystemValue_ }) {
    const valuesSqlList = [];
    const columns = table[Table.Symbol.Columns];
    const colEntries = Object.entries(columns).filter(([_, col]) => !col.shouldDisableInsert());
    const insertOrder = colEntries.map(
      ([, column]) => sql.identifier(this.casing.getColumnCasing(column))
    );
    if (select) {
      const select2 = valuesOrSelect;
      if (is(select2, SQL)) {
        valuesSqlList.push(select2);
      } else {
        valuesSqlList.push(select2.getSQL());
      }
    } else {
      const values = valuesOrSelect;
      valuesSqlList.push(sql.raw("values "));
      for (const [valueIndex, value] of values.entries()) {
        const valueList = [];
        for (const [fieldName, col] of colEntries) {
          const colValue = value[fieldName];
          if (colValue === void 0 || is(colValue, Param) && colValue.value === void 0) {
            if (col.defaultFn !== void 0) {
              const defaultFnResult = col.defaultFn();
              const defaultValue = is(defaultFnResult, SQL) ? defaultFnResult : sql.param(defaultFnResult, col);
              valueList.push(defaultValue);
            } else if (!col.default && col.onUpdateFn !== void 0) {
              const onUpdateFnResult = col.onUpdateFn();
              const newValue = is(onUpdateFnResult, SQL) ? onUpdateFnResult : sql.param(onUpdateFnResult, col);
              valueList.push(newValue);
            } else {
              valueList.push(sql`default`);
            }
          } else {
            valueList.push(colValue);
          }
        }
        valuesSqlList.push(valueList);
        if (valueIndex < values.length - 1) {
          valuesSqlList.push(sql`, `);
        }
      }
    }
    const withSql = this.buildWithCTE(withList);
    const valuesSql = sql.join(valuesSqlList);
    const returningSql = returning ? sql` returning ${this.buildSelection(returning, { isSingleTable: true })}` : void 0;
    const onConflictSql = onConflict ? sql` on conflict ${onConflict}` : void 0;
    const overridingSql = overridingSystemValue_ === true ? sql`overriding system value ` : void 0;
    return sql`${withSql}insert into ${table} ${insertOrder} ${overridingSql}${valuesSql}${onConflictSql}${returningSql}`;
  }
  buildRefreshMaterializedViewQuery({ view, concurrently, withNoData }) {
    const concurrentlySql = concurrently ? sql` concurrently` : void 0;
    const withNoDataSql = withNoData ? sql` with no data` : void 0;
    return sql`refresh materialized view${concurrentlySql} ${view}${withNoDataSql}`;
  }
  prepareTyping(encoder) {
    if (is(encoder, PgJsonb) || is(encoder, PgJson)) {
      return "json";
    } else if (is(encoder, PgNumeric)) {
      return "decimal";
    } else if (is(encoder, PgTime)) {
      return "time";
    } else if (is(encoder, PgTimestamp) || is(encoder, PgTimestampString)) {
      return "timestamp";
    } else if (is(encoder, PgDate) || is(encoder, PgDateString)) {
      return "date";
    } else if (is(encoder, PgUUID)) {
      return "uuid";
    } else {
      return "none";
    }
  }
  sqlToQuery(sql2, invokeSource) {
    return sql2.toQuery({
      casing: this.casing,
      escapeName: this.escapeName,
      escapeParam: this.escapeParam,
      escapeString: this.escapeString,
      prepareTyping: this.prepareTyping,
      invokeSource
    });
  }
  // buildRelationalQueryWithPK({
  // 	fullSchema,
  // 	schema,
  // 	tableNamesMap,
  // 	table,
  // 	tableConfig,
  // 	queryConfig: config,
  // 	tableAlias,
  // 	isRoot = false,
  // 	joinOn,
  // }: {
  // 	fullSchema: Record<string, unknown>;
  // 	schema: TablesRelationalConfig;
  // 	tableNamesMap: Record<string, string>;
  // 	table: PgTable;
  // 	tableConfig: TableRelationalConfig;
  // 	queryConfig: true | DBQueryConfig<'many', true>;
  // 	tableAlias: string;
  // 	isRoot?: boolean;
  // 	joinOn?: SQL;
  // }): BuildRelationalQueryResult<PgTable, PgColumn> {
  // 	// For { "<relation>": true }, return a table with selection of all columns
  // 	if (config === true) {
  // 		const selectionEntries = Object.entries(tableConfig.columns);
  // 		const selection: BuildRelationalQueryResult<PgTable, PgColumn>['selection'] = selectionEntries.map((
  // 			[key, value],
  // 		) => ({
  // 			dbKey: value.name,
  // 			tsKey: key,
  // 			field: value as PgColumn,
  // 			relationTableTsKey: undefined,
  // 			isJson: false,
  // 			selection: [],
  // 		}));
  // 		return {
  // 			tableTsKey: tableConfig.tsName,
  // 			sql: table,
  // 			selection,
  // 		};
  // 	}
  // 	// let selection: BuildRelationalQueryResult<PgTable, PgColumn>['selection'] = [];
  // 	// let selectionForBuild = selection;
  // 	const aliasedColumns = Object.fromEntries(
  // 		Object.entries(tableConfig.columns).map(([key, value]) => [key, aliasedTableColumn(value, tableAlias)]),
  // 	);
  // 	const aliasedRelations = Object.fromEntries(
  // 		Object.entries(tableConfig.relations).map(([key, value]) => [key, aliasedRelation(value, tableAlias)]),
  // 	);
  // 	const aliasedFields = Object.assign({}, aliasedColumns, aliasedRelations);
  // 	let where, hasUserDefinedWhere;
  // 	if (config.where) {
  // 		const whereSql = typeof config.where === 'function' ? config.where(aliasedFields, operators) : config.where;
  // 		where = whereSql && mapColumnsInSQLToAlias(whereSql, tableAlias);
  // 		hasUserDefinedWhere = !!where;
  // 	}
  // 	where = and(joinOn, where);
  // 	// const fieldsSelection: { tsKey: string; value: PgColumn | SQL.Aliased; isExtra?: boolean }[] = [];
  // 	let joins: Join[] = [];
  // 	let selectedColumns: string[] = [];
  // 	// Figure out which columns to select
  // 	if (config.columns) {
  // 		let isIncludeMode = false;
  // 		for (const [field, value] of Object.entries(config.columns)) {
  // 			if (value === undefined) {
  // 				continue;
  // 			}
  // 			if (field in tableConfig.columns) {
  // 				if (!isIncludeMode && value === true) {
  // 					isIncludeMode = true;
  // 				}
  // 				selectedColumns.push(field);
  // 			}
  // 		}
  // 		if (selectedColumns.length > 0) {
  // 			selectedColumns = isIncludeMode
  // 				? selectedColumns.filter((c) => config.columns?.[c] === true)
  // 				: Object.keys(tableConfig.columns).filter((key) => !selectedColumns.includes(key));
  // 		}
  // 	} else {
  // 		// Select all columns if selection is not specified
  // 		selectedColumns = Object.keys(tableConfig.columns);
  // 	}
  // 	// for (const field of selectedColumns) {
  // 	// 	const column = tableConfig.columns[field]! as PgColumn;
  // 	// 	fieldsSelection.push({ tsKey: field, value: column });
  // 	// }
  // 	let initiallySelectedRelations: {
  // 		tsKey: string;
  // 		queryConfig: true | DBQueryConfig<'many', false>;
  // 		relation: Relation;
  // 	}[] = [];
  // 	// let selectedRelations: BuildRelationalQueryResult<PgTable, PgColumn>['selection'] = [];
  // 	// Figure out which relations to select
  // 	if (config.with) {
  // 		initiallySelectedRelations = Object.entries(config.with)
  // 			.filter((entry): entry is [typeof entry[0], NonNullable<typeof entry[1]>] => !!entry[1])
  // 			.map(([tsKey, queryConfig]) => ({ tsKey, queryConfig, relation: tableConfig.relations[tsKey]! }));
  // 	}
  // 	const manyRelations = initiallySelectedRelations.filter((r) =>
  // 		is(r.relation, Many)
  // 		&& (schema[tableNamesMap[r.relation.referencedTable[Table.Symbol.Name]]!]?.primaryKey.length ?? 0) > 0
  // 	);
  // 	// If this is the last Many relation (or there are no Many relations), we are on the innermost subquery level
  // 	const isInnermostQuery = manyRelations.length < 2;
  // 	const selectedExtras: {
  // 		tsKey: string;
  // 		value: SQL.Aliased;
  // 	}[] = [];
  // 	// Figure out which extras to select
  // 	if (isInnermostQuery && config.extras) {
  // 		const extras = typeof config.extras === 'function'
  // 			? config.extras(aliasedFields, { sql })
  // 			: config.extras;
  // 		for (const [tsKey, value] of Object.entries(extras)) {
  // 			selectedExtras.push({
  // 				tsKey,
  // 				value: mapColumnsInAliasedSQLToAlias(value, tableAlias),
  // 			});
  // 		}
  // 	}
  // 	// Transform `fieldsSelection` into `selection`
  // 	// `fieldsSelection` shouldn't be used after this point
  // 	// for (const { tsKey, value, isExtra } of fieldsSelection) {
  // 	// 	selection.push({
  // 	// 		dbKey: is(value, SQL.Aliased) ? value.fieldAlias : tableConfig.columns[tsKey]!.name,
  // 	// 		tsKey,
  // 	// 		field: is(value, Column) ? aliasedTableColumn(value, tableAlias) : value,
  // 	// 		relationTableTsKey: undefined,
  // 	// 		isJson: false,
  // 	// 		isExtra,
  // 	// 		selection: [],
  // 	// 	});
  // 	// }
  // 	let orderByOrig = typeof config.orderBy === 'function'
  // 		? config.orderBy(aliasedFields, orderByOperators)
  // 		: config.orderBy ?? [];
  // 	if (!Array.isArray(orderByOrig)) {
  // 		orderByOrig = [orderByOrig];
  // 	}
  // 	const orderBy = orderByOrig.map((orderByValue) => {
  // 		if (is(orderByValue, Column)) {
  // 			return aliasedTableColumn(orderByValue, tableAlias) as PgColumn;
  // 		}
  // 		return mapColumnsInSQLToAlias(orderByValue, tableAlias);
  // 	});
  // 	const limit = isInnermostQuery ? config.limit : undefined;
  // 	const offset = isInnermostQuery ? config.offset : undefined;
  // 	// For non-root queries without additional config except columns, return a table with selection
  // 	if (
  // 		!isRoot
  // 		&& initiallySelectedRelations.length === 0
  // 		&& selectedExtras.length === 0
  // 		&& !where
  // 		&& orderBy.length === 0
  // 		&& limit === undefined
  // 		&& offset === undefined
  // 	) {
  // 		return {
  // 			tableTsKey: tableConfig.tsName,
  // 			sql: table,
  // 			selection: selectedColumns.map((key) => ({
  // 				dbKey: tableConfig.columns[key]!.name,
  // 				tsKey: key,
  // 				field: tableConfig.columns[key] as PgColumn,
  // 				relationTableTsKey: undefined,
  // 				isJson: false,
  // 				selection: [],
  // 			})),
  // 		};
  // 	}
  // 	const selectedRelationsWithoutPK:
  // 	// Process all relations without primary keys, because they need to be joined differently and will all be on the same query level
  // 	for (
  // 		const {
  // 			tsKey: selectedRelationTsKey,
  // 			queryConfig: selectedRelationConfigValue,
  // 			relation,
  // 		} of initiallySelectedRelations
  // 	) {
  // 		const normalizedRelation = normalizeRelation(schema, tableNamesMap, relation);
  // 		const relationTableName = relation.referencedTable[Table.Symbol.Name];
  // 		const relationTableTsName = tableNamesMap[relationTableName]!;
  // 		const relationTable = schema[relationTableTsName]!;
  // 		if (relationTable.primaryKey.length > 0) {
  // 			continue;
  // 		}
  // 		const relationTableAlias = `${tableAlias}_${selectedRelationTsKey}`;
  // 		const joinOn = and(
  // 			...normalizedRelation.fields.map((field, i) =>
  // 				eq(
  // 					aliasedTableColumn(normalizedRelation.references[i]!, relationTableAlias),
  // 					aliasedTableColumn(field, tableAlias),
  // 				)
  // 			),
  // 		);
  // 		const builtRelation = this.buildRelationalQueryWithoutPK({
  // 			fullSchema,
  // 			schema,
  // 			tableNamesMap,
  // 			table: fullSchema[relationTableTsName] as PgTable,
  // 			tableConfig: schema[relationTableTsName]!,
  // 			queryConfig: selectedRelationConfigValue,
  // 			tableAlias: relationTableAlias,
  // 			joinOn,
  // 			nestedQueryRelation: relation,
  // 		});
  // 		const field = sql`${sql.identifier(relationTableAlias)}.${sql.identifier('data')}`.as(selectedRelationTsKey);
  // 		joins.push({
  // 			on: sql`true`,
  // 			table: new Subquery(builtRelation.sql as SQL, {}, relationTableAlias),
  // 			alias: relationTableAlias,
  // 			joinType: 'left',
  // 			lateral: true,
  // 		});
  // 		selectedRelations.push({
  // 			dbKey: selectedRelationTsKey,
  // 			tsKey: selectedRelationTsKey,
  // 			field,
  // 			relationTableTsKey: relationTableTsName,
  // 			isJson: true,
  // 			selection: builtRelation.selection,
  // 		});
  // 	}
  // 	const oneRelations = initiallySelectedRelations.filter((r): r is typeof r & { relation: One } =>
  // 		is(r.relation, One)
  // 	);
  // 	// Process all One relations with PKs, because they can all be joined on the same level
  // 	for (
  // 		const {
  // 			tsKey: selectedRelationTsKey,
  // 			queryConfig: selectedRelationConfigValue,
  // 			relation,
  // 		} of oneRelations
  // 	) {
  // 		const normalizedRelation = normalizeRelation(schema, tableNamesMap, relation);
  // 		const relationTableName = relation.referencedTable[Table.Symbol.Name];
  // 		const relationTableTsName = tableNamesMap[relationTableName]!;
  // 		const relationTableAlias = `${tableAlias}_${selectedRelationTsKey}`;
  // 		const relationTable = schema[relationTableTsName]!;
  // 		if (relationTable.primaryKey.length === 0) {
  // 			continue;
  // 		}
  // 		const joinOn = and(
  // 			...normalizedRelation.fields.map((field, i) =>
  // 				eq(
  // 					aliasedTableColumn(normalizedRelation.references[i]!, relationTableAlias),
  // 					aliasedTableColumn(field, tableAlias),
  // 				)
  // 			),
  // 		);
  // 		const builtRelation = this.buildRelationalQueryWithPK({
  // 			fullSchema,
  // 			schema,
  // 			tableNamesMap,
  // 			table: fullSchema[relationTableTsName] as PgTable,
  // 			tableConfig: schema[relationTableTsName]!,
  // 			queryConfig: selectedRelationConfigValue,
  // 			tableAlias: relationTableAlias,
  // 			joinOn,
  // 		});
  // 		const field = sql`case when ${sql.identifier(relationTableAlias)} is null then null else json_build_array(${
  // 			sql.join(
  // 				builtRelation.selection.map(({ field }) =>
  // 					is(field, SQL.Aliased)
  // 						? sql`${sql.identifier(relationTableAlias)}.${sql.identifier(field.fieldAlias)}`
  // 						: is(field, Column)
  // 						? aliasedTableColumn(field, relationTableAlias)
  // 						: field
  // 				),
  // 				sql`, `,
  // 			)
  // 		}) end`.as(selectedRelationTsKey);
  // 		const isLateralJoin = is(builtRelation.sql, SQL);
  // 		joins.push({
  // 			on: isLateralJoin ? sql`true` : joinOn,
  // 			table: is(builtRelation.sql, SQL)
  // 				? new Subquery(builtRelation.sql, {}, relationTableAlias)
  // 				: aliasedTable(builtRelation.sql, relationTableAlias),
  // 			alias: relationTableAlias,
  // 			joinType: 'left',
  // 			lateral: is(builtRelation.sql, SQL),
  // 		});
  // 		selectedRelations.push({
  // 			dbKey: selectedRelationTsKey,
  // 			tsKey: selectedRelationTsKey,
  // 			field,
  // 			relationTableTsKey: relationTableTsName,
  // 			isJson: true,
  // 			selection: builtRelation.selection,
  // 		});
  // 	}
  // 	let distinct: PgSelectConfig['distinct'];
  // 	let tableFrom: PgTable | Subquery = table;
  // 	// Process first Many relation - each one requires a nested subquery
  // 	const manyRelation = manyRelations[0];
  // 	if (manyRelation) {
  // 		const {
  // 			tsKey: selectedRelationTsKey,
  // 			queryConfig: selectedRelationQueryConfig,
  // 			relation,
  // 		} = manyRelation;
  // 		distinct = {
  // 			on: tableConfig.primaryKey.map((c) => aliasedTableColumn(c as PgColumn, tableAlias)),
  // 		};
  // 		const normalizedRelation = normalizeRelation(schema, tableNamesMap, relation);
  // 		const relationTableName = relation.referencedTable[Table.Symbol.Name];
  // 		const relationTableTsName = tableNamesMap[relationTableName]!;
  // 		const relationTableAlias = `${tableAlias}_${selectedRelationTsKey}`;
  // 		const joinOn = and(
  // 			...normalizedRelation.fields.map((field, i) =>
  // 				eq(
  // 					aliasedTableColumn(normalizedRelation.references[i]!, relationTableAlias),
  // 					aliasedTableColumn(field, tableAlias),
  // 				)
  // 			),
  // 		);
  // 		const builtRelationJoin = this.buildRelationalQueryWithPK({
  // 			fullSchema,
  // 			schema,
  // 			tableNamesMap,
  // 			table: fullSchema[relationTableTsName] as PgTable,
  // 			tableConfig: schema[relationTableTsName]!,
  // 			queryConfig: selectedRelationQueryConfig,
  // 			tableAlias: relationTableAlias,
  // 			joinOn,
  // 		});
  // 		const builtRelationSelectionField = sql`case when ${
  // 			sql.identifier(relationTableAlias)
  // 		} is null then '[]' else json_agg(json_build_array(${
  // 			sql.join(
  // 				builtRelationJoin.selection.map(({ field }) =>
  // 					is(field, SQL.Aliased)
  // 						? sql`${sql.identifier(relationTableAlias)}.${sql.identifier(field.fieldAlias)}`
  // 						: is(field, Column)
  // 						? aliasedTableColumn(field, relationTableAlias)
  // 						: field
  // 				),
  // 				sql`, `,
  // 			)
  // 		})) over (partition by ${sql.join(distinct.on, sql`, `)}) end`.as(selectedRelationTsKey);
  // 		const isLateralJoin = is(builtRelationJoin.sql, SQL);
  // 		joins.push({
  // 			on: isLateralJoin ? sql`true` : joinOn,
  // 			table: isLateralJoin
  // 				? new Subquery(builtRelationJoin.sql as SQL, {}, relationTableAlias)
  // 				: aliasedTable(builtRelationJoin.sql as PgTable, relationTableAlias),
  // 			alias: relationTableAlias,
  // 			joinType: 'left',
  // 			lateral: isLateralJoin,
  // 		});
  // 		// Build the "from" subquery with the remaining Many relations
  // 		const builtTableFrom = this.buildRelationalQueryWithPK({
  // 			fullSchema,
  // 			schema,
  // 			tableNamesMap,
  // 			table,
  // 			tableConfig,
  // 			queryConfig: {
  // 				...config,
  // 				where: undefined,
  // 				orderBy: undefined,
  // 				limit: undefined,
  // 				offset: undefined,
  // 				with: manyRelations.slice(1).reduce<NonNullable<typeof config['with']>>(
  // 					(result, { tsKey, queryConfig: configValue }) => {
  // 						result[tsKey] = configValue;
  // 						return result;
  // 					},
  // 					{},
  // 				),
  // 			},
  // 			tableAlias,
  // 		});
  // 		selectedRelations.push({
  // 			dbKey: selectedRelationTsKey,
  // 			tsKey: selectedRelationTsKey,
  // 			field: builtRelationSelectionField,
  // 			relationTableTsKey: relationTableTsName,
  // 			isJson: true,
  // 			selection: builtRelationJoin.selection,
  // 		});
  // 		// selection = builtTableFrom.selection.map((item) =>
  // 		// 	is(item.field, SQL.Aliased)
  // 		// 		? { ...item, field: sql`${sql.identifier(tableAlias)}.${sql.identifier(item.field.fieldAlias)}` }
  // 		// 		: item
  // 		// );
  // 		// selectionForBuild = [{
  // 		// 	dbKey: '*',
  // 		// 	tsKey: '*',
  // 		// 	field: sql`${sql.identifier(tableAlias)}.*`,
  // 		// 	selection: [],
  // 		// 	isJson: false,
  // 		// 	relationTableTsKey: undefined,
  // 		// }];
  // 		// const newSelectionItem: (typeof selection)[number] = {
  // 		// 	dbKey: selectedRelationTsKey,
  // 		// 	tsKey: selectedRelationTsKey,
  // 		// 	field,
  // 		// 	relationTableTsKey: relationTableTsName,
  // 		// 	isJson: true,
  // 		// 	selection: builtRelationJoin.selection,
  // 		// };
  // 		// selection.push(newSelectionItem);
  // 		// selectionForBuild.push(newSelectionItem);
  // 		tableFrom = is(builtTableFrom.sql, PgTable)
  // 			? builtTableFrom.sql
  // 			: new Subquery(builtTableFrom.sql, {}, tableAlias);
  // 	}
  // 	if (selectedColumns.length === 0 && selectedRelations.length === 0 && selectedExtras.length === 0) {
  // 		throw new DrizzleError(`No fields selected for table "${tableConfig.tsName}" ("${tableAlias}")`);
  // 	}
  // 	let selection: BuildRelationalQueryResult<PgTable, PgColumn>['selection'];
  // 	function prepareSelectedColumns() {
  // 		return selectedColumns.map((key) => ({
  // 			dbKey: tableConfig.columns[key]!.name,
  // 			tsKey: key,
  // 			field: tableConfig.columns[key] as PgColumn,
  // 			relationTableTsKey: undefined,
  // 			isJson: false,
  // 			selection: [],
  // 		}));
  // 	}
  // 	function prepareSelectedExtras() {
  // 		return selectedExtras.map((item) => ({
  // 			dbKey: item.value.fieldAlias,
  // 			tsKey: item.tsKey,
  // 			field: item.value,
  // 			relationTableTsKey: undefined,
  // 			isJson: false,
  // 			selection: [],
  // 		}));
  // 	}
  // 	if (isRoot) {
  // 		selection = [
  // 			...prepareSelectedColumns(),
  // 			...prepareSelectedExtras(),
  // 		];
  // 	}
  // 	if (hasUserDefinedWhere || orderBy.length > 0) {
  // 		tableFrom = new Subquery(
  // 			this.buildSelectQuery({
  // 				table: is(tableFrom, PgTable) ? aliasedTable(tableFrom, tableAlias) : tableFrom,
  // 				fields: {},
  // 				fieldsFlat: selectionForBuild.map(({ field }) => ({
  // 					path: [],
  // 					field: is(field, Column) ? aliasedTableColumn(field, tableAlias) : field,
  // 				})),
  // 				joins,
  // 				distinct,
  // 			}),
  // 			{},
  // 			tableAlias,
  // 		);
  // 		selectionForBuild = selection.map((item) =>
  // 			is(item.field, SQL.Aliased)
  // 				? { ...item, field: sql`${sql.identifier(tableAlias)}.${sql.identifier(item.field.fieldAlias)}` }
  // 				: item
  // 		);
  // 		joins = [];
  // 		distinct = undefined;
  // 	}
  // 	const result = this.buildSelectQuery({
  // 		table: is(tableFrom, PgTable) ? aliasedTable(tableFrom, tableAlias) : tableFrom,
  // 		fields: {},
  // 		fieldsFlat: selectionForBuild.map(({ field }) => ({
  // 			path: [],
  // 			field: is(field, Column) ? aliasedTableColumn(field, tableAlias) : field,
  // 		})),
  // 		where,
  // 		limit,
  // 		offset,
  // 		joins,
  // 		orderBy,
  // 		distinct,
  // 	});
  // 	return {
  // 		tableTsKey: tableConfig.tsName,
  // 		sql: result,
  // 		selection,
  // 	};
  // }
  buildRelationalQueryWithoutPK({
    fullSchema,
    schema,
    tableNamesMap,
    table,
    tableConfig,
    queryConfig: config,
    tableAlias,
    nestedQueryRelation,
    joinOn
  }) {
    let selection = [];
    let limit, offset, orderBy = [], where;
    const joins = [];
    if (config === true) {
      const selectionEntries = Object.entries(tableConfig.columns);
      selection = selectionEntries.map(([key, value]) => ({
        dbKey: value.name,
        tsKey: key,
        field: aliasedTableColumn(value, tableAlias),
        relationTableTsKey: void 0,
        isJson: false,
        selection: []
      }));
    } else {
      const aliasedColumns = Object.fromEntries(
        Object.entries(tableConfig.columns).map(([key, value]) => [key, aliasedTableColumn(value, tableAlias)])
      );
      if (config.where) {
        const whereSql = typeof config.where === "function" ? config.where(aliasedColumns, getOperators()) : config.where;
        where = whereSql && mapColumnsInSQLToAlias(whereSql, tableAlias);
      }
      const fieldsSelection = [];
      let selectedColumns = [];
      if (config.columns) {
        let isIncludeMode = false;
        for (const [field, value] of Object.entries(config.columns)) {
          if (value === void 0) {
            continue;
          }
          if (field in tableConfig.columns) {
            if (!isIncludeMode && value === true) {
              isIncludeMode = true;
            }
            selectedColumns.push(field);
          }
        }
        if (selectedColumns.length > 0) {
          selectedColumns = isIncludeMode ? selectedColumns.filter((c) => config.columns?.[c] === true) : Object.keys(tableConfig.columns).filter((key) => !selectedColumns.includes(key));
        }
      } else {
        selectedColumns = Object.keys(tableConfig.columns);
      }
      for (const field of selectedColumns) {
        const column = tableConfig.columns[field];
        fieldsSelection.push({ tsKey: field, value: column });
      }
      let selectedRelations = [];
      if (config.with) {
        selectedRelations = Object.entries(config.with).filter((entry) => !!entry[1]).map(([tsKey, queryConfig]) => ({ tsKey, queryConfig, relation: tableConfig.relations[tsKey] }));
      }
      let extras;
      if (config.extras) {
        extras = typeof config.extras === "function" ? config.extras(aliasedColumns, { sql }) : config.extras;
        for (const [tsKey, value] of Object.entries(extras)) {
          fieldsSelection.push({
            tsKey,
            value: mapColumnsInAliasedSQLToAlias(value, tableAlias)
          });
        }
      }
      for (const { tsKey, value } of fieldsSelection) {
        selection.push({
          dbKey: is(value, SQL.Aliased) ? value.fieldAlias : tableConfig.columns[tsKey].name,
          tsKey,
          field: is(value, Column) ? aliasedTableColumn(value, tableAlias) : value,
          relationTableTsKey: void 0,
          isJson: false,
          selection: []
        });
      }
      let orderByOrig = typeof config.orderBy === "function" ? config.orderBy(aliasedColumns, getOrderByOperators()) : config.orderBy ?? [];
      if (!Array.isArray(orderByOrig)) {
        orderByOrig = [orderByOrig];
      }
      orderBy = orderByOrig.map((orderByValue) => {
        if (is(orderByValue, Column)) {
          return aliasedTableColumn(orderByValue, tableAlias);
        }
        return mapColumnsInSQLToAlias(orderByValue, tableAlias);
      });
      limit = config.limit;
      offset = config.offset;
      for (const {
        tsKey: selectedRelationTsKey,
        queryConfig: selectedRelationConfigValue,
        relation
      } of selectedRelations) {
        const normalizedRelation = normalizeRelation(schema, tableNamesMap, relation);
        const relationTableName = getTableUniqueName(relation.referencedTable);
        const relationTableTsName = tableNamesMap[relationTableName];
        const relationTableAlias = `${tableAlias}_${selectedRelationTsKey}`;
        const joinOn2 = and(
          ...normalizedRelation.fields.map(
            (field2, i) => eq(
              aliasedTableColumn(normalizedRelation.references[i], relationTableAlias),
              aliasedTableColumn(field2, tableAlias)
            )
          )
        );
        const builtRelation = this.buildRelationalQueryWithoutPK({
          fullSchema,
          schema,
          tableNamesMap,
          table: fullSchema[relationTableTsName],
          tableConfig: schema[relationTableTsName],
          queryConfig: is(relation, One) ? selectedRelationConfigValue === true ? { limit: 1 } : { ...selectedRelationConfigValue, limit: 1 } : selectedRelationConfigValue,
          tableAlias: relationTableAlias,
          joinOn: joinOn2,
          nestedQueryRelation: relation
        });
        const field = sql`${sql.identifier(relationTableAlias)}.${sql.identifier("data")}`.as(selectedRelationTsKey);
        joins.push({
          on: sql`true`,
          table: new Subquery(builtRelation.sql, {}, relationTableAlias),
          alias: relationTableAlias,
          joinType: "left",
          lateral: true
        });
        selection.push({
          dbKey: selectedRelationTsKey,
          tsKey: selectedRelationTsKey,
          field,
          relationTableTsKey: relationTableTsName,
          isJson: true,
          selection: builtRelation.selection
        });
      }
    }
    if (selection.length === 0) {
      throw new DrizzleError({ message: `No fields selected for table "${tableConfig.tsName}" ("${tableAlias}")` });
    }
    let result;
    where = and(joinOn, where);
    if (nestedQueryRelation) {
      let field = sql`json_build_array(${sql.join(
        selection.map(
          ({ field: field2, tsKey, isJson }) => isJson ? sql`${sql.identifier(`${tableAlias}_${tsKey}`)}.${sql.identifier("data")}` : is(field2, SQL.Aliased) ? field2.sql : field2
        ),
        sql`, `
      )})`;
      if (is(nestedQueryRelation, Many)) {
        field = sql`coalesce(json_agg(${field}${orderBy.length > 0 ? sql` order by ${sql.join(orderBy, sql`, `)}` : void 0}), '[]'::json)`;
      }
      const nestedSelection = [{
        dbKey: "data",
        tsKey: "data",
        field: field.as("data"),
        isJson: true,
        relationTableTsKey: tableConfig.tsName,
        selection
      }];
      const needsSubquery = limit !== void 0 || offset !== void 0 || orderBy.length > 0;
      if (needsSubquery) {
        result = this.buildSelectQuery({
          table: aliasedTable(table, tableAlias),
          fields: {},
          fieldsFlat: [{
            path: [],
            field: sql.raw("*")
          }],
          where,
          limit,
          offset,
          orderBy,
          setOperators: []
        });
        where = void 0;
        limit = void 0;
        offset = void 0;
        orderBy = [];
      } else {
        result = aliasedTable(table, tableAlias);
      }
      result = this.buildSelectQuery({
        table: is(result, PgTable) ? result : new Subquery(result, {}, tableAlias),
        fields: {},
        fieldsFlat: nestedSelection.map(({ field: field2 }) => ({
          path: [],
          field: is(field2, Column) ? aliasedTableColumn(field2, tableAlias) : field2
        })),
        joins,
        where,
        limit,
        offset,
        orderBy,
        setOperators: []
      });
    } else {
      result = this.buildSelectQuery({
        table: aliasedTable(table, tableAlias),
        fields: {},
        fieldsFlat: selection.map(({ field }) => ({
          path: [],
          field: is(field, Column) ? aliasedTableColumn(field, tableAlias) : field
        })),
        joins,
        where,
        limit,
        offset,
        orderBy,
        setOperators: []
      });
    }
    return {
      tableTsKey: tableConfig.tsName,
      sql: result,
      selection
    };
  }
}
export {
  PgDialect
};
//# sourceMappingURL=dialect.js.map