wehub-resource-sync
85 lines
3.3 KiB
Go
85 lines
3.3 KiB
Go
// Copyright 2024 Dolthub, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package pgcatalog
|
|
|
|
import (
|
|
"io"
|
|
|
|
"github.com/dolthub/go-mysql-server/sql"
|
|
|
|
"github.com/dolthub/doltgresql/server/tables"
|
|
pgtypes "github.com/dolthub/doltgresql/server/types"
|
|
)
|
|
|
|
// PgPreparedStatementsName is a constant to the pg_prepared_statements name.
|
|
const PgPreparedStatementsName = "pg_prepared_statements"
|
|
|
|
// InitPgPreparedStatements handles registration of the pg_prepared_statements handler.
|
|
func InitPgPreparedStatements() {
|
|
tables.AddHandler(PgCatalogName, PgPreparedStatementsName, PgPreparedStatementsHandler{})
|
|
}
|
|
|
|
// PgPreparedStatementsHandler is the handler for the pg_prepared_statements table.
|
|
type PgPreparedStatementsHandler struct{}
|
|
|
|
var _ tables.Handler = PgPreparedStatementsHandler{}
|
|
|
|
// Name implements the interface tables.Handler.
|
|
func (p PgPreparedStatementsHandler) Name() string {
|
|
return PgPreparedStatementsName
|
|
}
|
|
|
|
// RowIter implements the interface tables.Handler.
|
|
func (p PgPreparedStatementsHandler) RowIter(ctx *sql.Context, partition sql.Partition) (sql.RowIter, error) {
|
|
// TODO: Implement pg_prepared_statements row iter
|
|
return emptyRowIter()
|
|
}
|
|
|
|
// PkSchema implements the interface tables.Handler.
|
|
func (p PgPreparedStatementsHandler) PkSchema() sql.PrimaryKeySchema {
|
|
return sql.PrimaryKeySchema{
|
|
Schema: pgPreparedStatementsSchema,
|
|
PkOrdinals: nil,
|
|
}
|
|
}
|
|
|
|
// pgPreparedStatementsSchema is the schema for pg_prepared_statements.
|
|
var pgPreparedStatementsSchema = sql.Schema{
|
|
{Name: "name", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgPreparedStatementsName},
|
|
{Name: "statement", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgPreparedStatementsName},
|
|
{Name: "prepare_time", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgPreparedStatementsName},
|
|
{Name: "parameter_types", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgPreparedStatementsName}, // TODO: regtype[] type
|
|
{Name: "result_types", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgPreparedStatementsName}, // TODO: regtype[] type
|
|
{Name: "from_sql", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgPreparedStatementsName},
|
|
{Name: "generic_plans", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgPreparedStatementsName},
|
|
{Name: "custom_plans", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgPreparedStatementsName},
|
|
}
|
|
|
|
// pgPreparedStatementsRowIter is the sql.RowIter for the pg_prepared_statements table.
|
|
type pgPreparedStatementsRowIter struct {
|
|
}
|
|
|
|
var _ sql.RowIter = (*pgPreparedStatementsRowIter)(nil)
|
|
|
|
// Next implements the interface sql.RowIter.
|
|
func (iter *pgPreparedStatementsRowIter) Next(ctx *sql.Context) (sql.Row, error) {
|
|
return nil, io.EOF
|
|
}
|
|
|
|
// Close implements the interface sql.RowIter.
|
|
func (iter *pgPreparedStatementsRowIter) Close(ctx *sql.Context) error {
|
|
return nil
|
|
}
|