wehub-resource-sync
108 lines
5.2 KiB
Go
108 lines
5.2 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 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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// PgStatisticName is a constant to the pg_statistic name.
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const PgStatisticName = "pg_statistic"
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// InitPgStatistic handles registration of the pg_statistic handler.
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func InitPgStatistic() {
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tables.AddHandler(PgCatalogName, PgStatisticName, PgStatisticHandler{})
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}
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// PgStatisticHandler is the handler for the pg_statistic table.
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type PgStatisticHandler struct{}
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var _ tables.Handler = PgStatisticHandler{}
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// Name implements the interface tables.Handler.
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func (p PgStatisticHandler) Name() string {
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return PgStatisticName
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}
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// RowIter implements the interface tables.Handler.
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func (p PgStatisticHandler) RowIter(ctx *sql.Context, partition sql.Partition) (sql.RowIter, error) {
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// TODO: Implement pg_statistic 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 PgStatisticHandler) PkSchema() sql.PrimaryKeySchema {
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return sql.PrimaryKeySchema{
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Schema: pgStatisticSchema,
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PkOrdinals: nil,
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}
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}
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// pgStatisticSchema is the schema for pg_statistic.
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var pgStatisticSchema = sql.Schema{
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{Name: "starelid", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "staattnum", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stainherit", Type: pgtypes.Bool, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stanullfrac", Type: pgtypes.Float32, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stawidth", Type: pgtypes.Int32, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stadistinct", Type: pgtypes.Float32, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stakind1", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stakind2", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stakind3", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stakind4", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stakind5", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "staop1", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "staop2", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "staop3", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "staop4", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "staop5", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stacoll1", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stacoll2", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stacoll3", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stacoll4", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stacoll5", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgStatisticName},
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{Name: "stanumbers1", Type: pgtypes.Float32Array, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stanumbers2", Type: pgtypes.Float32Array, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stanumbers3", Type: pgtypes.Float32Array, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stanumbers4", Type: pgtypes.Float32Array, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stanumbers5", Type: pgtypes.Float32Array, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stavalues1", Type: pgtypes.AnyArray, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stavalues2", Type: pgtypes.AnyArray, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stavalues3", Type: pgtypes.AnyArray, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stavalues4", Type: pgtypes.AnyArray, Default: nil, Nullable: true, Source: PgStatisticName},
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{Name: "stavalues5", Type: pgtypes.AnyArray, Default: nil, Nullable: true, Source: PgStatisticName},
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}
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// pgStatisticRowIter is the sql.RowIter for the pg_statistic table.
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type pgStatisticRowIter struct {
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}
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var _ sql.RowIter = (*pgStatisticRowIter)(nil)
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// Next implements the interface sql.RowIter.
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func (iter *pgStatisticRowIter) 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 *pgStatisticRowIter) Close(ctx *sql.Context) error {
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return nil
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}
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