@devbro/sql-generator/dist/Schema.mjs

generic sql generator

import { Blueprint } from "./Blueprint";
import { SchemaGrammar } from "./SchemaGrammar";
class Schema {
  constructor(connection, grammar) {
    this.connection = connection;
    this.grammar = grammar;
  }
  async createTable(tableName, structMethod) {
    const blueprint = new Blueprint();
    blueprint.setTableName(tableName, false);
    structMethod(blueprint);
    const grammar = new SchemaGrammar();
    const sql = grammar.toSql(blueprint);
    await this.connection?.runQuery({ sql, bindings: [] });
  }
  async dropTable(tableName) {
    const grammar = new SchemaGrammar();
    await this.connection?.runQuery(grammar.compileDropTable(tableName));
  }
  async tables() {
    const grammar = new SchemaGrammar();
    return await this.connection?.runQuery(grammar.compileTables());
  }
  async tableExists(table_name) {
    const grammar = new SchemaGrammar();
    return (await this.connection?.runQuery(grammar.compileTableExists(table_name)))[0]["exists"];
  }
  async dropTableIfExists(tableName) {
    if (await this.tableExists(tableName)) {
      await this.dropTable(tableName);
    }
    return;
  }
}
export {
  Schema
};
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