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added "include_tables" config option

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Anatoly 2019-03-23 20:18:18 +02:00
parent 09fc1764f7
commit 041849c2bd
3 changed files with 24 additions and 2 deletions
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6
config/config.json
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@ -81,6 +81,12 @@
],
"exclude_tables": [],
"include_tables_description": [
"List (Array) of tables, that will not be migrated.",
"By default, nmig will migrate all tables."
],
"include_tables": [],
"migrate_only_data_description" : [
"In order to skip schema migration, and just migrate data into a preset tables",
"fill following array with preset table names.",

8
src/Conversion.ts
View file

@ -106,10 +106,15 @@ export default class Conversion {
public readonly _noVacuum: string[];
/**
* List of tables, that will not be migrated.List (Array) of tables, that will not be migrated.
* List of tables, that will not be migrated.
*/
public readonly _excludeTables: string[];
/**
* List of tables, that will be migrated.
*/
public readonly _includeTables: string[];
/**
* The timestamp, at which the migration began.
*/
@ -209,6 +214,7 @@ export default class Conversion {
this._notCreatedViewsPath = path.join(this._logsDirPath, 'not_created_views');
this._noVacuum = this._config.no_vacuum === undefined ? [] : this._config.no_vacuum;
this._excludeTables = this._config.exclude_tables === undefined ? [] : this._config.exclude_tables;
this._includeTables = this._config.include_tables === undefined ? [] : this._config.include_tables;
this._timeBegin = new Date();
this._encoding = this._config.encoding === undefined ? 'utf8' : this._config.encoding;
this._dataChunkSize = this._config.data_chunk_size === undefined ? 1 : +this._config.data_chunk_size;

12
src/StructureLoader.ts
View file

@ -62,7 +62,17 @@ export default async (conversion: Conversion): Promise<Conversion> => {
await getMySqlVersion(conversion);
const dbAccess: DBAccess = new DBAccess(conversion);
const haveTablesLoaded: boolean = await migrationStateManager.get(conversion, 'tables_loaded');
const sql: string = `SHOW FULL TABLES IN \`${ conversion._mySqlDbName }\`;`;
let sql: string = `SHOW FULL TABLES IN \`${ conversion._mySqlDbName }\` WHERE 1 = 1`;
if (conversion._includeTables.length !== 0) {
sql += ` AND Tables_in_${ conversion._mySqlDbName } IN(${ conversion._includeTables.map((table: string) => `"${table}"`).join(',') })`;
}
if (conversion._excludeTables.length !== 0) {
sql += ` AND Tables_in_${ conversion._mySqlDbName } NOT IN(${ conversion._excludeTables.map((table: string) => `"${table}"`).join(',') })`;
}
sql += ';';
const result: DBAccessQueryResult = await dbAccess.query('StructureLoader::default', sql, DBVendors.MYSQL, true, false);
let tablesCnt: number = 0;
let viewsCnt: number = 0;