64d364b082
【实现内容】: 修复I9HBFS所示的有脏数据导致unseable索引reindex失败的问题 【根因分析】: 因为openguass insert的时候会忽略掉unusable 索引，导致可以insert重复的数据，导致索引rebuild失败 【实现方案】: 参考pg的实现，insert数据的时候，把unseable索引也更新 【关联需求或issue】: https://gitee.com/opengauss/openGauss-server/issues/I9HBFS
121 lines
5.0 KiB
C
121 lines
5.0 KiB
C
/* -------------------------------------------------------------------------
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*
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* pg_index.h
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* definition of the system "index" relation (pg_index)
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* along with the relation's initial contents.
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*
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*
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* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/catalog/pg_index.h
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*
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* NOTES
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* the genbki.pl script reads this file and generates .bki
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* information from the DATA() statements.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef PG_INDEX_H
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#define PG_INDEX_H
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#include "catalog/genbki.h"
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/* ----------------
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* pg_index definition. cpp turns this into
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* typedef struct FormData_pg_index.
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* ----------------
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*/
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#define IndexRelationId 2610
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#define IndexRelation_Rowtype_Id 10003
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CATALOG(pg_index,2610) BKI_WITHOUT_OIDS BKI_SCHEMA_MACRO
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{
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Oid indexrelid; /* OID of the index */
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Oid indrelid; /* OID of the relation it indexes */
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int2 indnatts; /* total number of columns in index */
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bool indisunique; /* is this a unique index? */
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bool indisprimary; /* is this index for primary key? */
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bool indisexclusion; /* is this index for exclusion constraint? */
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bool indimmediate; /* is uniqueness enforced immediately? */
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bool indisclustered; /* is this the index last clustered by? */
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bool indisusable; /* is this index useable for insert and select?*/
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/*if yes, insert and select should ignore this index*/
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bool indisvalid; /* is this index valid for use by queries? */
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bool indcheckxmin; /* must we wait for xmin to be old? */
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bool indisready; /* is this index ready for inserts? */
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/* variable-length fields start here, but we allow direct access to indkey */
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int2vector indkey; /* column numbers of indexed cols, or 0 */
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#ifdef CATALOG_VARLEN
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oidvector indcollation; /* collation identifiers */
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oidvector indclass; /* opclass identifiers */
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int2vector indoption; /* per-column flags (AM-specific meanings) */
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pg_node_tree indexprs; /* expression trees for index attributes that
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* are not simple column references; one for
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* each zero entry in indkey[] */
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pg_node_tree indpred; /* expression tree for predicate, if a partial
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* index; else NULL */
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bool indisreplident; /* is this index the identity for replication? */
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int2 indnkeyatts; /* number of key columns in index */
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bool indisvisible; /* is this index visible? */
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#endif
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} FormData_pg_index;
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/* ----------------
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* Form_pg_index corresponds to a pointer to a tuple with
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* the format of pg_index relation.
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* ----------------
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*/
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typedef FormData_pg_index *Form_pg_index;
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/* ----------------
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* compiler constants for pg_index
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* ----------------
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*/
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#define Natts_pg_index 21
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#define Anum_pg_index_indexrelid 1
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#define Anum_pg_index_indrelid 2
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#define Anum_pg_index_indnatts 3
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#define Anum_pg_index_indisunique 4
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#define Anum_pg_index_indisprimary 5
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#define Anum_pg_index_indisexclusion 6
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#define Anum_pg_index_indimmediate 7
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#define Anum_pg_index_indisclustered 8
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#define Anum_pg_index_indisusable 9
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#define Anum_pg_index_indisvalid 10
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#define Anum_pg_index_indcheckxmin 11
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#define Anum_pg_index_indisready 12
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#define Anum_pg_index_indkey 13
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#define Anum_pg_index_indcollation 14
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#define Anum_pg_index_indclass 15
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#define Anum_pg_index_indoption 16
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#define Anum_pg_index_indexprs 17
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#define Anum_pg_index_indpred 18
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#define Anum_pg_index_indisreplident 19
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#define Anum_pg_index_indnkeyatts 20
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#define Anum_pg_index_indisvisible 21
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/*
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* Index AMs that support ordered scans must support these two indoption
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* bits. Otherwise, the content of the per-column indoption fields is
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* open for future definition.
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*/
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#define INDOPTION_DESC 0x0001 /* values are in reverse order */
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#define INDOPTION_NULLS_FIRST 0x0002 /* NULLs are first instead of last */
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/*
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* Use of these macros is recommended over direct examination of the state
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* flag columns where possible; this allows source code compatibility with
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* the less ugly representation used after 9.2.
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*/
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#define IndexIsUsable(indexForm) ((indexForm)->indisusable)
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#define IndexIsUnique(indexForm) ((indexForm)->indisunique)
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#define IndexIsReady(indexForm) ((indexForm)->indisready)
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#define IndexIsValid(indexForm) (((indexForm)->indisvalid && (indexForm)->indisready) && ((indexForm)->indisusable))
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#define IndexIsLive(indexForm) (((indexForm)->indisready || !(indexForm)->indisvalid) && ((indexForm)->indisusable))
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#endif /* PG_INDEX_H */
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