wehub-resource-sync
83 lines
2.7 KiB
Go
83 lines
2.7 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 pgcatalog
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import (
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"io"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/doltgresql/server/tables"
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pgtypes "github.com/dolthub/doltgresql/server/types"
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)
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// PgCursorsName is a constant to the pg_cursors name.
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const PgCursorsName = "pg_cursors"
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// InitPgCursors handles registration of the pg_cursors handler.
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func InitPgCursors() {
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tables.AddHandler(PgCatalogName, PgCursorsName, PgCursorsHandler{})
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}
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// PgCursorsHandler is the handler for the pg_cursors table.
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type PgCursorsHandler struct{}
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var _ tables.Handler = PgCursorsHandler{}
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// Name implements the interface tables.Handler.
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func (p PgCursorsHandler) Name() string {
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return PgCursorsName
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}
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// RowIter implements the interface tables.Handler.
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func (p PgCursorsHandler) RowIter(ctx *sql.Context, partition sql.Partition) (sql.RowIter, error) {
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// TODO: Implement pg_cursors row iter
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return emptyRowIter()
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}
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// PkSchema implements the interface tables.Handler.
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func (p PgCursorsHandler) PkSchema() sql.PrimaryKeySchema {
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return sql.PrimaryKeySchema{
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Schema: pgCursorsSchema,
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PkOrdinals: nil,
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}
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}
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// pgCursorsSchema is the schema for pg_cursors.
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var pgCursorsSchema = sql.Schema{
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{Name: "name", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgCursorsName},
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{Name: "statement", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgCursorsName},
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{Name: "is_holdable", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgCursorsName},
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{Name: "is_binary", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgCursorsName},
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{Name: "is_scrollable", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgCursorsName},
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{Name: "creation_time", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgCursorsName},
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}
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// pgCursorsRowIter is the sql.RowIter for the pg_cursors table.
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type pgCursorsRowIter struct {
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}
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var _ sql.RowIter = (*pgCursorsRowIter)(nil)
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// Next implements the interface sql.RowIter.
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func (iter *pgCursorsRowIter) Next(ctx *sql.Context) (sql.Row, error) {
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return nil, io.EOF
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}
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// Close implements the interface sql.RowIter.
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func (iter *pgCursorsRowIter) Close(ctx *sql.Context) error {
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return nil
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}
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