klz-cables.com/.pnpm-store/v10/files/f9/22fa9c11a42e4ec76bcf1316f88352b8bcddab741f44f529cac2af4a2609851b131855d0489788de725347a4671e41532b51dafc7af3c2136d9665809cd753

import { sql } from 'drizzle-orm';
import fs from 'fs';
import { buildVersionCollectionFields, buildVersionGlobalFields } from 'payload';
import toSnakeCase from 'to-snake-case';
import { getTransaction } from '../../../utilities/getTransaction.js';
import { groupUpSQLStatements } from './groupUpSQLStatements.js';
import { migrateRelationships } from './migrateRelationships.js';
import { traverseFields } from './traverseFields.js';
const runStatementGroup = async ({ adapter, db, debug, statements })=>{
    const addColumnsStatement = statements.join('\n');
    if (debug) {
        adapter.payload.logger.info(debug);
        adapter.payload.logger.info(addColumnsStatement);
    }
    await db.execute(sql.raw(addColumnsStatement));
};
/**
 * Moves upload and relationship columns from the join table and into the tables while moving data
 * This is done in the following order:
 *    ADD COLUMNs
 *    -- manipulate data to move relationships to new columns
 *    ADD CONSTRAINTs
 *    NOT NULLs
 *    DROP TABLEs
 *    DROP CONSTRAINTs
 *    DROP COLUMNs
 * @param debug
 * @param payload
 * @param req
 */ export const migratePostgresV2toV3 = async ({ debug, payload, req })=>{
    const adapter = payload.db;
    const dir = payload.db.migrationDir;
    // get the drizzle migrateUpSQL from drizzle using the last schema
    const { generateDrizzleJson, generateMigration, upSnapshot } = adapter.requireDrizzleKit();
    const drizzleJsonAfter = generateDrizzleJson(adapter.schema);
    // Get the previous migration snapshot
    const previousSnapshot = fs.readdirSync(dir).filter((file)=>file.endsWith('.json') && !file.endsWith('relationships_v2_v3.json')).sort().reverse()?.[0];
    if (!previousSnapshot) {
        throw new Error(`No previous migration schema file found! A prior migration from v2 is required to migrate to v3.`);
    }
    let drizzleJsonBefore = JSON.parse(fs.readFileSync(`${dir}/${previousSnapshot}`, 'utf8'));
    if (upSnapshot && drizzleJsonBefore.version < drizzleJsonAfter.version) {
        drizzleJsonBefore = upSnapshot(drizzleJsonBefore);
    }
    const generatedSQL = await generateMigration(drizzleJsonBefore, drizzleJsonAfter);
    if (!generatedSQL.length) {
        payload.logger.info(`No schema changes needed.`);
        process.exit(0);
    }
    const sqlUpStatements = groupUpSQLStatements(generatedSQL);
    const db = await getTransaction(adapter, req);
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'CREATING TYPES' : null,
        statements: sqlUpStatements.createType
    });
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'ALTERING TYPES' : null,
        statements: sqlUpStatements.alterType
    });
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'CREATING TABLES' : null,
        statements: sqlUpStatements.createTable
    });
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'RENAMING COLUMNS' : null,
        statements: sqlUpStatements.renameColumn
    });
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'CREATING NEW RELATIONSHIP COLUMNS' : null,
        statements: sqlUpStatements.addColumn
    });
    // SET DEFAULTS
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'SETTING DEFAULTS' : null,
        statements: sqlUpStatements.setDefault
    });
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'CREATING INDEXES' : null,
        statements: sqlUpStatements.createIndex
    });
    for (const collection of payload.config.collections){
        if (collection.slug === 'payload-locked-documents') {
            continue;
        }
        const tableName = adapter.tableNameMap.get(toSnakeCase(collection.slug));
        const pathsToQuery = new Set();
        traverseFields({
            adapter,
            collectionSlug: collection.slug,
            columnPrefix: '',
            db,
            disableNotNull: false,
            fields: collection.flattenedFields,
            isVersions: false,
            newTableName: tableName,
            parentTableName: tableName,
            path: '',
            pathsToQuery,
            payload,
            rootTableName: tableName
        });
        await migrateRelationships({
            adapter,
            collectionSlug: collection.slug,
            db,
            debug,
            fields: collection.flattenedFields,
            isVersions: false,
            pathsToQuery,
            payload,
            req,
            tableName
        });
        if (collection.versions) {
            const versionsTableName = adapter.tableNameMap.get(`_${toSnakeCase(collection.slug)}${adapter.versionsSuffix}`);
            const versionFields = buildVersionCollectionFields(payload.config, collection, true);
            const versionPathsToQuery = new Set();
            traverseFields({
                adapter,
                collectionSlug: collection.slug,
                columnPrefix: '',
                db,
                disableNotNull: true,
                fields: versionFields,
                isVersions: true,
                newTableName: versionsTableName,
                parentTableName: versionsTableName,
                path: '',
                pathsToQuery: versionPathsToQuery,
                payload,
                rootTableName: versionsTableName
            });
            await migrateRelationships({
                adapter,
                collectionSlug: collection.slug,
                db,
                debug,
                fields: versionFields,
                isVersions: true,
                pathsToQuery: versionPathsToQuery,
                payload,
                req,
                tableName: versionsTableName
            });
        }
    }
    for (const global of payload.config.globals){
        const tableName = adapter.tableNameMap.get(toSnakeCase(global.slug));
        const pathsToQuery = new Set();
        traverseFields({
            adapter,
            columnPrefix: '',
            db,
            disableNotNull: false,
            fields: global.flattenedFields,
            globalSlug: global.slug,
            isVersions: false,
            newTableName: tableName,
            parentTableName: tableName,
            path: '',
            pathsToQuery,
            payload,
            rootTableName: tableName
        });
        await migrateRelationships({
            adapter,
            db,
            debug,
            fields: global.flattenedFields,
            globalSlug: global.slug,
            isVersions: false,
            pathsToQuery,
            payload,
            req,
            tableName
        });
        if (global.versions) {
            const versionsTableName = adapter.tableNameMap.get(`_${toSnakeCase(global.slug)}${adapter.versionsSuffix}`);
            const versionFields = buildVersionGlobalFields(payload.config, global, true);
            const versionPathsToQuery = new Set();
            traverseFields({
                adapter,
                columnPrefix: '',
                db,
                disableNotNull: true,
                fields: versionFields,
                globalSlug: global.slug,
                isVersions: true,
                newTableName: versionsTableName,
                parentTableName: versionsTableName,
                path: '',
                pathsToQuery: versionPathsToQuery,
                payload,
                rootTableName: versionsTableName
            });
            await migrateRelationships({
                adapter,
                db,
                debug,
                fields: versionFields,
                globalSlug: global.slug,
                isVersions: true,
                pathsToQuery: versionPathsToQuery,
                payload,
                req,
                tableName: versionsTableName
            });
        }
    }
    // ADD CONSTRAINT
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'ADDING CONSTRAINTS' : null,
        statements: sqlUpStatements.addConstraint
    });
    // NOT NULL
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'NOT NULL CONSTRAINTS' : null,
        statements: sqlUpStatements.notNull
    });
    // DROP TABLE
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'DROPPING TABLES' : null,
        statements: sqlUpStatements.dropTable
    });
    // DROP INDEX
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'DROPPING INDEXES' : null,
        statements: sqlUpStatements.dropIndex
    });
    // DROP CONSTRAINT
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'DROPPING CONSTRAINTS' : null,
        statements: sqlUpStatements.dropConstraint
    });
    // DROP COLUMN
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'DROPPING COLUMNS' : null,
        statements: sqlUpStatements.dropColumn
    });
    // DROP TYPES
    await runStatementGroup({
        adapter,
        db,
        debug: debug ? 'DROPPING TYPES' : null,
        statements: sqlUpStatements.dropType
    });
};

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