drizzle-orm/better-sqlite3/session.js

Drizzle ORM package for SQL databases

import { NoopCache } from "../cache/core/index.js";
import { entityKind } from "../entity.js";
import { NoopLogger } from "../logger.js";
import { fillPlaceholders, sql } from "../sql/sql.js";
import { SQLiteTransaction } from "../sqlite-core/index.js";
import {
  SQLitePreparedQuery as PreparedQueryBase,
  SQLiteSession
} from "../sqlite-core/session.js";
import { mapResultRow } from "../utils.js";
class BetterSQLiteSession extends SQLiteSession {
  constructor(client, dialect, schema, options = {}) {
    super(dialect);
    this.client = client;
    this.schema = schema;
    this.logger = options.logger ?? new NoopLogger();
    this.cache = options.cache ?? new NoopCache();
  }
  static [entityKind] = "BetterSQLiteSession";
  logger;
  cache;
  prepareQuery(query, fields, executeMethod, isResponseInArrayMode, customResultMapper, queryMetadata, cacheConfig) {
    const stmt = this.client.prepare(query.sql);
    return new PreparedQuery(
      stmt,
      query,
      this.logger,
      this.cache,
      queryMetadata,
      cacheConfig,
      fields,
      executeMethod,
      isResponseInArrayMode,
      customResultMapper
    );
  }
  transaction(transaction, config = {}) {
    const tx = new BetterSQLiteTransaction("sync", this.dialect, this, this.schema);
    const nativeTx = this.client.transaction(transaction);
    return nativeTx[config.behavior ?? "deferred"](tx);
  }
}
class BetterSQLiteTransaction extends SQLiteTransaction {
  static [entityKind] = "BetterSQLiteTransaction";
  transaction(transaction) {
    const savepointName = `sp${this.nestedIndex}`;
    const tx = new BetterSQLiteTransaction("sync", this.dialect, this.session, this.schema, this.nestedIndex + 1);
    this.session.run(sql.raw(`savepoint ${savepointName}`));
    try {
      const result = transaction(tx);
      this.session.run(sql.raw(`release savepoint ${savepointName}`));
      return result;
    } catch (err) {
      this.session.run(sql.raw(`rollback to savepoint ${savepointName}`));
      throw err;
    }
  }
}
class PreparedQuery extends PreparedQueryBase {
  constructor(stmt, query, logger, cache, queryMetadata, cacheConfig, fields, executeMethod, _isResponseInArrayMode, customResultMapper) {
    super("sync", executeMethod, query, cache, queryMetadata, cacheConfig);
    this.stmt = stmt;
    this.logger = logger;
    this.fields = fields;
    this._isResponseInArrayMode = _isResponseInArrayMode;
    this.customResultMapper = customResultMapper;
  }
  static [entityKind] = "BetterSQLitePreparedQuery";
  run(placeholderValues) {
    const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
    this.logger.logQuery(this.query.sql, params);
    return this.stmt.run(...params);
  }
  all(placeholderValues) {
    const { fields, joinsNotNullableMap, query, logger, stmt, customResultMapper } = this;
    if (!fields && !customResultMapper) {
      const params = fillPlaceholders(query.params, placeholderValues ?? {});
      logger.logQuery(query.sql, params);
      return stmt.all(...params);
    }
    const rows = this.values(placeholderValues);
    if (customResultMapper) {
      return customResultMapper(rows);
    }
    return rows.map((row) => mapResultRow(fields, row, joinsNotNullableMap));
  }
  get(placeholderValues) {
    const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
    this.logger.logQuery(this.query.sql, params);
    const { fields, stmt, joinsNotNullableMap, customResultMapper } = this;
    if (!fields && !customResultMapper) {
      return stmt.get(...params);
    }
    const row = stmt.raw().get(...params);
    if (!row) {
      return void 0;
    }
    if (customResultMapper) {
      return customResultMapper([row]);
    }
    return mapResultRow(fields, row, joinsNotNullableMap);
  }
  values(placeholderValues) {
    const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
    this.logger.logQuery(this.query.sql, params);
    return this.stmt.raw().all(...params);
  }
  /** @internal */
  isResponseInArrayMode() {
    return this._isResponseInArrayMode;
  }
}
export {
  BetterSQLiteSession,
  BetterSQLiteTransaction,
  PreparedQuery
};
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