103 lines
5.0 KiB
Go
103 lines
5.0 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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// PgStatSysTablesName is a constant to the pg_stat_sys_tables name.
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const PgStatSysTablesName = "pg_stat_sys_tables"
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// InitPgStatSysTables handles registration of the pg_stat_sys_tables handler.
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func InitPgStatSysTables() {
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tables.AddHandler(PgCatalogName, PgStatSysTablesName, PgStatSysTablesHandler{})
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}
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// PgStatSysTablesHandler is the handler for the pg_stat_sys_tables table.
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type PgStatSysTablesHandler struct{}
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var _ tables.Handler = PgStatSysTablesHandler{}
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// Name implements the interface tables.Handler.
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func (p PgStatSysTablesHandler) Name() string {
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return PgStatSysTablesName
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}
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// RowIter implements the interface tables.Handler.
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func (p PgStatSysTablesHandler) RowIter(ctx *sql.Context, partition sql.Partition) (sql.RowIter, error) {
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// TODO: Implement pg_stat_sys_tables 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 PgStatSysTablesHandler) PkSchema() sql.PrimaryKeySchema {
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return sql.PrimaryKeySchema{
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Schema: pgStatSysTablesSchema,
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PkOrdinals: nil,
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}
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}
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// pgStatSysTablesSchema is the schema for pg_stat_sys_tables.
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var pgStatSysTablesSchema = sql.Schema{
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{Name: "relid", Type: pgtypes.Oid, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "schemaname", Type: pgtypes.Name, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "relname", Type: pgtypes.Name, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "seq_scan", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "last_seq_scan", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "seq_tup_read", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "idx_scan", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "last_idx_scan", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "idx_tup_fetch", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_tup_ins", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_tup_upd", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_tup_del", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_tup_hot_upd", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_tup_newpage_upd", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_live_tup", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_dead_tup", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_mod_since_analyze", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "n_ins_since_vacuum", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "last_vacuum", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "last_autovacuum", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "last_analyze", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "last_autoanalyze", Type: pgtypes.TimestampTZ, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "vacuum_count", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "autovacuum_count", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "analyze_count", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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{Name: "autoanalyze_count", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgStatSysTablesName},
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}
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// pgStatSysTablesRowIter is the sql.RowIter for the pg_stat_sys_tables table.
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type pgStatSysTablesRowIter struct {
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}
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var _ sql.RowIter = (*pgStatSysTablesRowIter)(nil)
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// Next implements the interface sql.RowIter.
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func (iter *pgStatSysTablesRowIter) 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 *pgStatSysTablesRowIter) Close(ctx *sql.Context) error {
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return nil
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}
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