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improving database logic. (#4451)

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improving database logic.
This commit is contained in:
Vitaly Tomilov
2017-12-24 16:34:01 +00:00
committed by GitHub
parent 08ba738227
commit e0a31d2aeb
1 changed files with 4 additions and 6 deletions
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10
src/Adapters/Storage/Postgres/PostgresStorageAdapter.js
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@@ -863,8 +863,7 @@ export class PostgresStorageAdapter {
// rejection reason are TBD.
getAllClasses() {
return this._ensureSchemaCollectionExists()
.then(() => this._client.map('SELECT * FROM "_SCHEMA"', null, row => ({ className: row.className, ...row.schema })))
.then(res => res.map(toParseSchema))
.then(() => this._client.map('SELECT * FROM "_SCHEMA"', null, row => toParseSchema({ className: row.className, ...row.schema })));
}
// Return a promise for the schema with the given name, in Parse format. If
@@ -1401,7 +1400,7 @@ export class PostgresStorageAdapter {
const constraintName = `unique_${fieldNames.sort().join('_')}`;
const constraintPatterns = fieldNames.map((fieldName, index) => `$${index + 3}:name`);
const qs = `ALTER TABLE $1:name ADD CONSTRAINT $2:name UNIQUE (${constraintPatterns.join(',')})`;
return this._client.none(qs,[className, constraintName, ...fieldNames])
return this._client.none(qs, [className, constraintName, ...fieldNames])
.catch(error => {
if (error.code === PostgresDuplicateRelationError && error.message.includes(constraintName)) {
// Index already exists. Ignore error.
@@ -1552,8 +1551,7 @@ export class PostgresStorageAdapter {
const qs = `SELECT ${columns} FROM $1:name ${wherePattern} ${sortPattern} ${limitPattern} ${skipPattern} ${groupPattern}`;
debug(qs, values);
return this._client.any(qs, values)
.then(results => results.map(object => this.postgresObjectToParseObject(className, object, schema)))
return this._client.map(qs, values, a => this.postgresObjectToParseObject(className, a, schema))
.then(results => {
if (countField) {
results[0][countField] = parseInt(results[0][countField], 10);
@@ -1579,7 +1577,7 @@ export class PostgresStorageAdapter {
});
return Promise.all(promises)
.then(() => {
return this._client.tx(t => {
return this._client.tx('perform-initialization', t => {
return t.batch([
t.none(sql.misc.jsonObjectSetKeys),
t.none(sql.array.add),