wehub-resource-sync
99 lines
4.6 KiB
Go
99 lines
4.6 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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// PgAggregateName is a constant to the pg_aggregate name.
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const PgAggregateName = "pg_aggregate"
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// InitPgAggregate handles registration of the pg_aggregate handler.
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func InitPgAggregate() {
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tables.AddHandler(PgCatalogName, PgAggregateName, PgAggregateHandler{})
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}
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// PgAggregateHandler is the handler for the pg_aggregate table.
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type PgAggregateHandler struct{}
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var _ tables.Handler = PgAggregateHandler{}
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// Name implements the interface tables.Handler.
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func (p PgAggregateHandler) Name() string {
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return PgAggregateName
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}
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// RowIter implements the interface tables.Handler.
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func (p PgAggregateHandler) RowIter(ctx *sql.Context, partition sql.Partition) (sql.RowIter, error) {
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// TODO: Implement pg_aggregate 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 PgAggregateHandler) PkSchema() sql.PrimaryKeySchema {
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return sql.PrimaryKeySchema{
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Schema: pgAggregateSchema,
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PkOrdinals: nil,
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}
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}
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// pgAggregateSchema is the schema for pg_aggregate.
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var pgAggregateSchema = sql.Schema{
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{Name: "aggfnoid", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggkind", Type: pgtypes.InternalChar, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggnumdirectargs", Type: pgtypes.Int16, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggtransfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggfinalfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggcombinefn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggserialfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggdeserialfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggmtransfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggminvtransfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggmfinalfn", Type: pgtypes.Text, Default: nil, Nullable: false, Source: PgAggregateName}, // TODO: regproc type
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{Name: "aggfinalextra", Type: pgtypes.Bool, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggmfinalextra", Type: pgtypes.Bool, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggfinalmodify", Type: pgtypes.Bool, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggmfinalmodify", Type: pgtypes.Bool, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggsortop", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggtranstype", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggtransspace", Type: pgtypes.Int32, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggmtranstype", Type: pgtypes.Oid, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "aggmtransspace", Type: pgtypes.Int32, Default: nil, Nullable: false, Source: PgAggregateName},
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{Name: "agginitval", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgAggregateName}, // TODO: collation C
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{Name: "aggminitval", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgAggregateName}, // TODO: collation C
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}
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// pgAggregateRowIter is the sql.RowIter for the pg_aggregate table.
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type pgAggregateRowIter struct {
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}
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var _ sql.RowIter = (*pgAggregateRowIter)(nil)
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// Next implements the interface sql.RowIter.
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func (iter *pgAggregateRowIter) 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 *pgAggregateRowIter) Close(ctx *sql.Context) error {
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return nil
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}
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