wehub-resource-sync
76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
// Copyright 2024 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"context"
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"fmt"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/jackc/pgx/v5"
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)
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var postgresConnection *pgx.Conn
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// QueryPostgres runs the query on a Postgres server and returns the results, along with the OIDs of each result column.
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// This assumes that a valid Postgres (not Doltgres) instance is on port 5432.
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func QueryPostgres(query string) ([]sql.Row, []uint32, error) {
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var err error
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ctx := context.Background()
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if postgresConnection == nil {
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connectionString := fmt.Sprintf("postgres://postgres:password@127.0.0.1:%d/", 5432)
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postgresConnection, err = pgx.Connect(ctx, connectionString)
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if err != nil {
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return nil, nil, err
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}
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}
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r, err := postgresConnection.Query(ctx, query)
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if err != nil {
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return nil, nil, err
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}
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var oids []uint32
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for _, desc := range r.FieldDescriptions() {
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oids = append(oids, desc.DataTypeOID)
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}
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var allRows []sql.Row
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for r.Next() {
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if err = r.Err(); err != nil {
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return nil, nil, err
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}
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row, err := r.Values()
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if err != nil {
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return nil, nil, err
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}
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allRows = append(allRows, row)
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}
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return allRows, oids, r.Err()
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}
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// ExecPostgres runs the query on a Postgres server without checking the results. This assumes that a valid Postgres
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// (not Doltgres) instance is on port 5432.
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func ExecPostgres(query string) error {
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var err error
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ctx := context.Background()
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if postgresConnection == nil {
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connectionString := fmt.Sprintf("postgres://postgres:password@127.0.0.1:%d/", 5432)
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postgresConnection, err = pgx.Connect(ctx, connectionString)
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if err != nil {
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return err
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}
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}
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_, err = postgresConnection.Exec(ctx, query)
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return err
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}
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