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driver commons refactor, default bulkinserter for mysql and postgres

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This commit is contained in:
Jan Prochazka
2020-09-28 13:54:31 +02:00
parent 5359f850dd
commit 29a7b68b59
7 changed files with 122 additions and 70 deletions
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11
packages/engines/mssql/createBulkInsertStream.js
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@@ -1,5 +1,3 @@
const { prepareTableForImport } = require('@dbgate/tools');
const _ = require('lodash');
const createBulkInsertStreamBase = require('../default/createBulkInsertStreamBase');
/**
@@ -12,6 +10,15 @@ function createBulkInsertStream(driver, mssql, stream, pool, name, options) {
const fullName = name.schemaName ? `[${name.schemaName}].[${name.pureName}]` : name.pureName;
writable.send = async () => {
if (!writable.templateColumns) {
const fullNameQuoted = name.schemaName
? `${driver.dialect.quoteIdentifier(name.schemaName)}.${driver.dialect.quoteIdentifier(name.pureName)}`
: driver.dialect.quoteIdentifier(name.pureName);
const respTemplate = await pool.request().query(`SELECT * FROM ${fullNameQuoted} WHERE 1=0`);
writable.templateColumns = respTemplate.recordset.toTable().columns;
}
const rows = writable.buffer;
writable.buffer = [];
const table = new mssql.Table(fullName);