Update comments. Remove unused field from the Index structure. (CVS 921)
FossilOrigin-Name: 7084e05093e72f6e5b65ff0b574336898396826f
This commit is contained in:
drh
@@ -1,5 +1,5 @@
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C Modify\sthe\soptimizer\sso\sthat\sit\sdoes\snot\sassume\sthat\sfunctions\sare\nconstant.\s(CVS\s920)
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D 2003-04-19T17:27:25
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C Update\scomments.\s\sRemove\sunused\sfield\sfrom\sthe\sIndex\sstructure.\s(CVS\s921)
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D 2003-04-20T00:00:24
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F Makefile.in df3a4db41a7450468b5fe934d9dd8f723b631249
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F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
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F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
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@@ -24,7 +24,7 @@ F src/auth.c 2dd558dba4d8ffbed25fe1644e9af242f389f3e9
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F src/btree.c b9487cceb9ea78af9cbae9def34114902f511736
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F src/btree.h 529c98cb0715c62214544fbbe50b946f99a85540
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F src/btree_rb.c b14803c84dc1c8fb51f5db1542237b7b7d411957
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F src/build.c 6694013c86c4c480754f515ddab561302c6e732a
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F src/build.c 66f8ca2457dfdcc6c45e1606696f337418a8c556
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F src/copy.c 8699e571994934c78f70761a1458d7b9e9e75073
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F src/delete.c af65b26d9d13abbf63fdc4e97b88d26c700b04bb
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F src/encode.c faf03741efe921755ec371cf4a6984536de00042
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@@ -47,7 +47,7 @@ F src/select.c 07140aaf5f2e209dd7bf8a681401a412ce16dc04
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F src/shell.c a0b7043713713ff45f666ce6b3c03a64109a8bb5
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F src/shell.tcl 27ecbd63dd88396ad16d81ab44f73e6c0ea9d20e
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F src/sqlite.h.in f49c2cdec7d24cb03e496a1ca519e16306495ee1
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F src/sqliteInt.h 757c82342dbcf90867471e59a1f4e34ed4d34290
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F src/sqliteInt.h c4f4866cce8f069574268969167b5f8041802edd
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F src/table.c eed2098c9b577aa17f8abe89313a9c4413f57d63
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F src/tclsqlite.c 7a072c3c8ba9796edc25e5ffa62b68558134e192
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F src/test1.c 7ad4e6308dde0bf5a0f0775ce20cb2ec37a328f8
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@@ -162,7 +162,7 @@ F www/speed.tcl cb4c10a722614aea76d2c51f32ee43400d5951be
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F www/sqlite.tcl ae3dcfb077e53833b59d4fcc94d8a12c50a44098
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F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
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F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
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P 9b619c98b586a207a87942640d3a94220ff8ab02
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R 7412289c17f86b36c7e9e5ef2d7e5a25
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P 767f1af236d115e8388e1dcc28a4df1be48d6c85
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R 36dfa6d5306b8b01a3a590f7c2277b76
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U drh
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Z f9b7a3e33fd7e690b2414333a1a1aca5
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Z 7a756c9352dc04a8dce7c22eae170166
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+1
-1
@@ -1 +1 @@
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767f1af236d115e8388e1dcc28a4df1be48d6c85
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7084e05093e72f6e5b65ff0b574336898396826f
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+2
-2
@@ -23,7 +23,7 @@
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** ROLLBACK
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** PRAGMA
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**
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** $Id: build.c,v 1.146 2003/04/17 22:57:53 drh Exp $
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** $Id: build.c,v 1.147 2003/04/20 00:00:24 drh Exp $
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*/
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#include "sqliteInt.h"
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#include <ctype.h>
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@@ -1630,7 +1630,7 @@ void sqliteCreateIndex(
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strcpy(pIndex->zName, zName);
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pIndex->pTable = pTab;
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pIndex->nColumn = pList->nId;
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pIndex->onError = pIndex->isUnique = onError;
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pIndex->onError = onError;
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pIndex->autoIndex = pName==0;
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pIndex->iDb = isTemp ? 1 : pParse->iDb;
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+9
-22
@@ -11,7 +11,7 @@
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*************************************************************************
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** Internal interface definitions for SQLite.
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**
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** @(#) $Id: sqliteInt.h,v 1.175 2003/04/17 22:57:54 drh Exp $
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** @(#) $Id: sqliteInt.h,v 1.176 2003/04/20 00:00:24 drh Exp $
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*/
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#include "config.h"
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#include "sqlite.h"
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@@ -295,13 +295,6 @@ struct sqlite {
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#endif
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};
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/*
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** The following are the indices of in sqlite.aDb[] of the main database
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** file and the file used to store TEMP tables.
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*/
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#define DB_TMP 0
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#define DB_MAIN 1
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/*
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** Possible values for the sqlite.flags.
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*/
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@@ -442,7 +435,7 @@ struct Table {
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** the from-table is created. The existance of the to-table is not checked
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** until an attempt is made to insert data into the from-table.
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**
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** The sqlite.aFKey hash table stores pointers to to this structure
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** The sqlite.aFKey hash table stores pointers to this structure
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** given the name of a to-table. For each to-table, all foreign keys
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** associated with that table are on a linked list using the FKey.pNextTo
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** field.
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@@ -520,6 +513,13 @@ struct FKey {
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** first column to be indexed (c3) has an index of 2 in Ex1.aCol[].
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** The second column to be indexed (c1) has an index of 0 in
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** Ex1.aCol[], hence Ex2.aiColumn[1]==0.
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**
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** The Index.onError field determines whether or not the indexed columns
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** must be unique and what to do if they are not. When Index.onError=OE_None,
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** it means this is not a unique index. Otherwise it is a unique index
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** and the value of Index.onError indicate the which conflict resolution
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** algorithm to employ whenever an attempt is made to insert a non-unique
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** element.
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*/
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struct Index {
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char *zName; /* Name of this index */
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@@ -527,7 +527,6 @@ struct Index {
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int *aiColumn; /* Which columns are used by this index. 1st is 0 */
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Table *pTable; /* The SQL table being indexed */
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int tnum; /* Page containing root of this index in database file */
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u8 isUnique; /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */
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u8 onError; /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */
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u8 autoIndex; /* True if is automatically created (ex: by UNIQUE) */
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u8 iDb; /* Index in sqlite.aDb[] of where this index is stored */
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@@ -850,18 +849,6 @@ struct Parse {
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*
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* The "step_list" member points to the first element of a linked list
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* containing the SQL statements specified as the trigger program.
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*
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* When a trigger is initially created, the "isCommit" member is set to FALSE.
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* When a transaction is rolled back, any Trigger structures with "isCommit" set
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* to FALSE are deleted by the logic in sqliteRollbackInternalChanges(). When
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* a transaction is commited, the "isCommit" member is set to TRUE for any
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* Trigger structures for which it is FALSE.
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*
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* When a trigger is dropped, using the sqliteDropTrigger() interfaced, it is
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* removed from the trigHash hash table and added to the trigDrop hash table.
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* If the transaction is rolled back, the trigger is re-added into the trigHash
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* hash table (and hence the database schema). If the transaction is commited,
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* then the Trigger structure is deleted permanently.
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*/
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struct Trigger {
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char *name; /* The name of the trigger */
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