Removed unnecessary and/or TDE-unrelated code.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

1 files changed, 0 insertions, 764 deletions

diff --git a/tqtinterface/qt4/src/3rdparty/sqlite/trigger.c b/tqtinterface/qt4/src/3rdparty/sqlite/trigger.c
deleted file mode 100644
index 1d4fcd4..0000000
--- a/tqtinterface/qt4/src/3rdparty/sqlite/trigger.c
+++ /dev/null
@@ -1,764 +0,0 @@
-/*
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-*
-*/
-#include "sqliteInt.h"
-
-/*
-** Delete a linked list of TriggerStep structures.
-*/
-void sqliteDeleteTriggerStep(TriggerStep *pTriggerStep){
-  while( pTriggerStep ){
-    TriggerStep * pTmp = pTriggerStep;
-    pTriggerStep = pTriggerStep->pNext;
-
-    if( pTmp->target.dyn ) sqliteFree((char*)pTmp->target.z);
-    sqliteExprDelete(pTmp->pWhere);
-    sqliteExprListDelete(pTmp->pExprList);
-    sqliteSelectDelete(pTmp->pSelect);
-    sqliteIdListDelete(pTmp->pIdList);
-
-    sqliteFree(pTmp);
-  }
-}
-
-/*
-** This is called by the parser when it sees a CREATE TRIGGER statement
-** up to the point of the BEGIN before the trigger actions.  A Trigger
-** structure is generated based on the information available and stored
-** in pParse->pNewTrigger.  After the trigger actions have been parsed, the
-** sqliteFinishTrigger() function is called to complete the trigger
-** construction process.
-*/
-void sqliteBeginTrigger(
-  Parse *pParse,      /* The parse context of the CREATE TRIGGER statement */
-  Token *pName,       /* The name of the trigger */
-  int tr_tm,          /* One of TK_BEFORE, TK_AFTER, TK_INSTEAD */
-  int op,             /* One of TK_INSERT, TK_UPDATE, TK_DELETE */
-  IdList *pColumns,   /* column list if this is an UPDATE OF trigger */
-  SrcList *pTableName,/* The name of the table/view the trigger applies to */
-  int foreach,        /* One of TK_ROW or TK_STATEMENT */
-  Expr *pWhen,        /* WHEN clause */
-  int isTemp          /* True if the TEMPORARY keyword is present */
-){
-  Trigger *nt;
-  Table   *tab;
-  char *zName = 0;        /* Name of the trigger */
-  sqlite *db = pParse->db;
-  int iDb;                /* When database to store the trigger in */
-  DbFixer sFix;
-
-  /* Check that: 
-  ** 1. the trigger name does not already exist.
-  ** 2. the table (or view) does exist in the same database as the trigger.
-  ** 3. that we are not trying to create a trigger on the sqlite_master table
-  ** 4. That we are not trying to create an INSTEAD OF trigger on a table.
-  ** 5. That we are not trying to create a BEFORE or AFTER trigger on a view.
-  */
-  if( sqlite_malloc_failed ) goto trigger_cleanup;
-  assert( pTableName->nSrc==1 );
-  if( db->init.busy
-   && sqliteFixInit(&sFix, pParse, db->init.iDb, "trigger", pName)
-   && sqliteFixSrcList(&sFix, pTableName)
-  ){
-    goto trigger_cleanup;
-  }
-  tab = sqliteSrcListLookup(pParse, pTableName);
-  if( !tab ){
-    goto trigger_cleanup;
-  }
-  iDb = isTemp ? 1 : tab->iDb;
-  if( iDb>=2 && !db->init.busy ){
-    sqliteErrorMsg(pParse, "triggers may not be added to auxiliary "
-       "database %s", db->aDb[tab->iDb].zName);
-    goto trigger_cleanup;
-  }
-
-  zName = sqliteStrNDup(pName->z, pName->n);
-  sqliteDequote(zName);
-  if( sqliteHashFind(&(db->aDb[iDb].trigHash), zName,pName->n+1) ){
-    sqliteErrorMsg(pParse, "trigger %T already exists", pName);
-    goto trigger_cleanup;
-  }
-  if( sqliteStrNICmp(tab->zName, "sqlite_", 7)==0 ){
-    sqliteErrorMsg(pParse, "cannot create trigger on system table");
-    pParse->nErr++;
-    goto trigger_cleanup;
-  }
-  if( tab->pSelect && tr_tm != TK_INSTEAD ){
-    sqliteErrorMsg(pParse, "cannot create %s trigger on view: %S", 
-        (tr_tm == TK_BEFORE)?"BEFORE":"AFTER", pTableName, 0);
-    goto trigger_cleanup;
-  }
-  if( !tab->pSelect && tr_tm == TK_INSTEAD ){
-    sqliteErrorMsg(pParse, "cannot create INSTEAD OF"
-        " trigger on table: %S", pTableName, 0);
-    goto trigger_cleanup;
-  }
-#ifndef STQLITE_OMIT_AUTHORIZATION
-  {
-    int code = STQLITE_CREATE_TRIGGER;
-    const char *zDb = db->aDb[tab->iDb].zName;
-    const char *zDbTrig = isTemp ? db->aDb[1].zName : zDb;
-    if( tab->iDb==1 || isTemp ) code = STQLITE_CREATE_TEMP_TRIGGER;
-    if( sqliteAuthCheck(pParse, code, zName, tab->zName, zDbTrig) ){
-      goto trigger_cleanup;
-    }
-    if( sqliteAuthCheck(pParse, STQLITE_INSERT, SCHEMA_TABLE(tab->iDb), 0, zDb)){
-      goto trigger_cleanup;
-    }
-  }
-#endif
-
-  /* INSTEAD OF triggers can only appear on views and BEGIN triggers
-  ** cannot appear on views.  So we might as well translate every
-  ** INSTEAD OF trigger into a BEFORE trigger.  It simplifies code
-  ** elsewhere.
-  */
-  if (tr_tm == TK_INSTEAD){
-    tr_tm = TK_BEFORE;
-  }
-
-  /* Build the Trigger object */
-  nt = (Trigger*)sqliteMalloc(sizeof(Trigger));
-  if( nt==0 ) goto trigger_cleanup;
-  nt->name = zName;
-  zName = 0;
-  nt->table = sqliteStrDup(pTableName->a[0].zName);
-  if( sqlite_malloc_failed ) goto trigger_cleanup;
-  nt->iDb = iDb;
-  nt->iTabDb = tab->iDb;
-  nt->op = op;
-  nt->tr_tm = tr_tm;
-  nt->pWhen = sqliteExprDup(pWhen);
-  nt->pColumns = sqliteIdListDup(pColumns);
-  nt->foreach = foreach;
-  sqliteTokenCopy(&nt->nameToken,pName);
-  assert( pParse->pNewTrigger==0 );
-  pParse->pNewTrigger = nt;
-
-trigger_cleanup:
-  sqliteFree(zName);
-  sqliteSrcListDelete(pTableName);
-  sqliteIdListDelete(pColumns);
-  sqliteExprDelete(pWhen);
-}
-
-/*
-** This routine is called after all of the trigger actions have been parsed
-** in order to complete the process of building the trigger.
-*/
-void sqliteFinishTrigger(
-  Parse *pParse,          /* Parser context */
-  TriggerStep *pStepList, /* The triggered program */
-  Token *pAll             /* Token that describes the complete CREATE TRIGGER */
-){
-  Trigger *nt = 0;          /* The trigger whose construction is finishing up */
-  sqlite *db = pParse->db;  /* The database */
-  DbFixer sFix;
-
-  if( pParse->nErr || pParse->pNewTrigger==0 ) goto triggerfinish_cleanup;
-  nt = pParse->pNewTrigger;
-  pParse->pNewTrigger = 0;
-  nt->step_list = pStepList;
-  while( pStepList ){
-    pStepList->pTrig = nt;
-    pStepList = pStepList->pNext;
-  }
-  if( sqliteFixInit(&sFix, pParse, nt->iDb, "trigger", &nt->nameToken) 
-          && sqliteFixTriggerStep(&sFix, nt->step_list) ){
-    goto triggerfinish_cleanup;
-  }
-
-  /* if we are not initializing, and this trigger is not on a TEMP table, 
-  ** build the sqlite_master entry
-  */
-  if( !db->init.busy ){
-    static VdbeOpList insertTrig[] = {
-      { OP_NewRecno,   0, 0,  0          },
-      { OP_String,     0, 0,  "trigger"  },
-      { OP_String,     0, 0,  0          },  /* 2: trigger name */
-      { OP_String,     0, 0,  0          },  /* 3: table name */
-      { OP_Integer,    0, 0,  0          },
-      { OP_String,     0, 0,  0          },  /* 5: SQL */
-      { OP_MakeRecord, 5, 0,  0          },
-      { OP_PutIntKey,  0, 0,  0          },
-    };
-    int addr;
-    Vdbe *v;
-
-    /* Make an entry in the sqlite_master table */
-    v = sqliteGetVdbe(pParse);
-    if( v==0 ) goto triggerfinish_cleanup;
-    sqliteBeginWriteOperation(pParse, 0, 0);
-    sqliteOpenMasterTable(v, nt->iDb);
-    addr = sqliteVdbeAddOpList(v, ArraySize(insertTrig), insertTrig);
-    sqliteVdbeChangeP3(v, addr+2, nt->name, 0); 
-    sqliteVdbeChangeP3(v, addr+3, nt->table, 0); 
-    sqliteVdbeChangeP3(v, addr+5, pAll->z, pAll->n);
-    if( nt->iDb==0 ){
-      sqliteChangeCookie(db, v);
-    }
-    sqliteVdbeAddOp(v, OP_Close, 0, 0);
-    sqliteEndWriteOperation(pParse);
-  }
-
-  if( !pParse->explain ){
-    Table *pTab;
-    sqliteHashInsert(&db->aDb[nt->iDb].trigHash, 
-                     nt->name, strlen(nt->name)+1, nt);
-    pTab = sqliteLocateTable(pParse, nt->table, db->aDb[nt->iTabDb].zName);
-    assert( pTab!=0 );
-    nt->pNext = pTab->pTrigger;
-    pTab->pTrigger = nt;
-    nt = 0;
-  }
-
-triggerfinish_cleanup:
-  sqliteDeleteTrigger(nt);
-  sqliteDeleteTrigger(pParse->pNewTrigger);
-  pParse->pNewTrigger = 0;
-  sqliteDeleteTriggerStep(pStepList);
-}
-
-/*
-** Make a copy of all components of the given trigger step.  This has
-** the effect of copying all Expr.token.z values into memory obtained
-** from sqliteMalloc().  As initially created, the Expr.token.z values
-** all point to the input string that was fed to the parser.  But that
-** string is ephemeral - it will go away as soon as the sqlite_exec()
-** call that started the parser exits.  This routine makes a persistent
-** copy of all the Expr.token.z strings so that the TriggerStep structure
-** will be valid even after the sqlite_exec() call returns.
-*/
-static void sqlitePersistTriggerStep(TriggerStep *p){
-  if( p->target.z ){
-    p->target.z = sqliteStrNDup(p->target.z, p->target.n);
-    p->target.dyn = 1;
-  }
-  if( p->pSelect ){
-    Select *pNew = sqliteSelectDup(p->pSelect);
-    sqliteSelectDelete(p->pSelect);
-    p->pSelect = pNew;
-  }
-  if( p->pWhere ){
-    Expr *pNew = sqliteExprDup(p->pWhere);
-    sqliteExprDelete(p->pWhere);
-    p->pWhere = pNew;
-  }
-  if( p->pExprList ){
-    ExprList *pNew = sqliteExprListDup(p->pExprList);
-    sqliteExprListDelete(p->pExprList);
-    p->pExprList = pNew;
-  }
-  if( p->pIdList ){
-    IdList *pNew = sqliteIdListDup(p->pIdList);
-    sqliteIdListDelete(p->pIdList);
-    p->pIdList = pNew;
-  }
-}
-
-/*
-** Turn a SELECT statement (that the pSelect parameter points to) into
-** a trigger step.  Return a pointer to a TriggerStep structure.
-**
-** The parser calls this routine when it finds a SELECT statement in
-** body of a TRIGGER.  
-*/
-TriggerStep *sqliteTriggerSelectStep(Select *pSelect){
-  TriggerStep *pTriggerStep = sqliteMalloc(sizeof(TriggerStep));
-  if( pTriggerStep==0 ) return 0;
-
-  pTriggerStep->op = TK_SELECT;
-  pTriggerStep->pSelect = pSelect;
-  pTriggerStep->orconf = OE_Default;
-  sqlitePersistTriggerStep(pTriggerStep);
-
-  return pTriggerStep;
-}
-
-/*
-** Build a trigger step out of an INSERT statement.  Return a pointer
-** to the new trigger step.
-**
-** The parser calls this routine when it sees an INSERT inside the
-** body of a trigger.
-*/
-TriggerStep *sqliteTriggerInsertStep(
-  Token *pTableName,  /* Name of the table into which we insert */
-  IdList *pColumn,    /* List of columns in pTableName to insert into */
-  ExprList *pEList,   /* The VALUE clause: a list of values to be inserted */
-  Select *pSelect,    /* A SELECT statement that supplies values */
-  int orconf          /* The conflict algorithm (OE_Abort, OE_Replace, etc.) */
-){
-  TriggerStep *pTriggerStep = sqliteMalloc(sizeof(TriggerStep));
-  if( pTriggerStep==0 ) return 0;
-
-  assert(pEList == 0 || pSelect == 0);
-  assert(pEList != 0 || pSelect != 0);
-
-  pTriggerStep->op = TK_INSERT;
-  pTriggerStep->pSelect = pSelect;
-  pTriggerStep->target  = *pTableName;
-  pTriggerStep->pIdList = pColumn;
-  pTriggerStep->pExprList = pEList;
-  pTriggerStep->orconf = orconf;
-  sqlitePersistTriggerStep(pTriggerStep);
-
-  return pTriggerStep;
-}
-
-/*
-** Construct a trigger step that implements an UPDATE statement and return
-** a pointer to that trigger step.  The parser calls this routine when it
-** sees an UPDATE statement inside the body of a CREATE TRIGGER.
-*/
-TriggerStep *sqliteTriggerUpdateStep(
-  Token *pTableName,   /* Name of the table to be updated */
-  ExprList *pEList,    /* The SET clause: list of column and new values */
-  Expr *pWhere,        /* The WHERE clause */
-  int orconf           /* The conflict algorithm. (OE_Abort, OE_Ignore, etc) */
-){
-  TriggerStep *pTriggerStep = sqliteMalloc(sizeof(TriggerStep));
-  if( pTriggerStep==0 ) return 0;
-
-  pTriggerStep->op = TK_UPDATE;
-  pTriggerStep->target  = *pTableName;
-  pTriggerStep->pExprList = pEList;
-  pTriggerStep->pWhere = pWhere;
-  pTriggerStep->orconf = orconf;
-  sqlitePersistTriggerStep(pTriggerStep);
-
-  return pTriggerStep;
-}
-
-/*
-** Construct a trigger step that implements a DELETE statement and return
-** a pointer to that trigger step.  The parser calls this routine when it
-** sees a DELETE statement inside the body of a CREATE TRIGGER.
-*/
-TriggerStep *sqliteTriggerDeleteStep(Token *pTableName, Expr *pWhere){
-  TriggerStep *pTriggerStep = sqliteMalloc(sizeof(TriggerStep));
-  if( pTriggerStep==0 ) return 0;
-
-  pTriggerStep->op = TK_DELETE;
-  pTriggerStep->target  = *pTableName;
-  pTriggerStep->pWhere = pWhere;
-  pTriggerStep->orconf = OE_Default;
-  sqlitePersistTriggerStep(pTriggerStep);
-
-  return pTriggerStep;
-}
-
-/* 
-** Recursively delete a Trigger structure
-*/
-void sqliteDeleteTrigger(Trigger *pTrigger){
-  if( pTrigger==0 ) return;
-  sqliteDeleteTriggerStep(pTrigger->step_list);
-  sqliteFree(pTrigger->name);
-  sqliteFree(pTrigger->table);
-  sqliteExprDelete(pTrigger->pWhen);
-  sqliteIdListDelete(pTrigger->pColumns);
-  if( pTrigger->nameToken.dyn ) sqliteFree((char*)pTrigger->nameToken.z);
-  sqliteFree(pTrigger);
-}
-
-/*
- * This function is called to drop a trigger from the database schema. 
- *
- * This may be called directly from the parser and therefore identifies
- * the trigger by name.  The sqliteDropTriggerPtr() routine does the
- * same job as this routine except it take a spointer to the trigger
- * instead of the trigger name.
- *
- * Note that this function does not delete the trigger entirely. Instead it
- * removes it from the internal schema and places it in the trigDrop hash 
- * table. This is so that the trigger can be restored into the database schema
- * if the transaction is rolled back.
- */
-void sqliteDropTrigger(Parse *pParse, SrcList *pName){
-  Trigger *pTrigger;
-  int i;
-  const char *zDb;
-  const char *zName;
-  int nName;
-  sqlite *db = pParse->db;
-
-  if( sqlite_malloc_failed ) goto drop_trigger_cleanup;
-  assert( pName->nSrc==1 );
-  zDb = pName->a[0].zDatabase;
-  zName = pName->a[0].zName;
-  nName = strlen(zName);
-  for(i=0; i<db->nDb; i++){
-    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
-    if( zDb && sqliteStrICmp(db->aDb[j].zName, zDb) ) continue;
-    pTrigger = sqliteHashFind(&(db->aDb[j].trigHash), zName, nName+1);
-    if( pTrigger ) break;
-  }
-  if( !pTrigger ){
-    sqliteErrorMsg(pParse, "no such trigger: %S", pName, 0);
-    goto drop_trigger_cleanup;
-  }
-  sqliteDropTriggerPtr(pParse, pTrigger, 0);
-
-drop_trigger_cleanup:
-  sqliteSrcListDelete(pName);
-}
-
-/*
-** Drop a trigger given a pointer to that trigger.  If nested is false,
-** then also generate code to remove the trigger from the STQLITE_MASTER
-** table.
-*/
-void sqliteDropTriggerPtr(Parse *pParse, Trigger *pTrigger, int nested){
-  Table   *pTable;
-  Vdbe *v;
-  sqlite *db = pParse->db;
-
-  assert( pTrigger->iDb<db->nDb );
-  if( pTrigger->iDb>=2 ){
-    sqliteErrorMsg(pParse, "triggers may not be removed from "
-       "auxiliary database %s", db->aDb[pTrigger->iDb].zName);
-    return;
-  }
-  pTable = sqliteFindTable(db, pTrigger->table,db->aDb[pTrigger->iTabDb].zName);
-  assert(pTable);
-  assert( pTable->iDb==pTrigger->iDb || pTrigger->iDb==1 );
-#ifndef STQLITE_OMIT_AUTHORIZATION
-  {
-    int code = STQLITE_DROP_TRIGGER;
-    const char *zDb = db->aDb[pTrigger->iDb].zName;
-    const char *zTab = SCHEMA_TABLE(pTrigger->iDb);
-    if( pTrigger->iDb ) code = STQLITE_DROP_TEMP_TRIGGER;
-    if( sqliteAuthCheck(pParse, code, pTrigger->name, pTable->zName, zDb) ||
-      sqliteAuthCheck(pParse, STQLITE_DELETE, zTab, 0, zDb) ){
-      return;
-    }
-  }
-#endif
-
-  /* Generate code to destroy the database record of the trigger.
-  */
-  if( pTable!=0 && !nested && (v = sqliteGetVdbe(pParse))!=0 ){
-    int base;
-    static VdbeOpList dropTrigger[] = {
-      { OP_Rewind,     0, ADDR(9),  0},
-      { OP_String,     0, 0,        0}, /* 1 */
-      { OP_Column,     0, 1,        0},
-      { OP_Ne,         0, ADDR(8),  0},
-      { OP_String,     0, 0,        "trigger"},
-      { OP_Column,     0, 0,        0},
-      { OP_Ne,         0, ADDR(8),  0},
-      { OP_Delete,     0, 0,        0},
-      { OP_Next,       0, ADDR(1),  0}, /* 8 */
-    };
-
-    sqliteBeginWriteOperation(pParse, 0, 0);
-    sqliteOpenMasterTable(v, pTrigger->iDb);
-    base = sqliteVdbeAddOpList(v,  ArraySize(dropTrigger), dropTrigger);
-    sqliteVdbeChangeP3(v, base+1, pTrigger->name, 0);
-    if( pTrigger->iDb==0 ){
-      sqliteChangeCookie(db, v);
-    }
-    sqliteVdbeAddOp(v, OP_Close, 0, 0);
-    sqliteEndWriteOperation(pParse);
-  }
-
-  /*
-   * If this is not an "explain", then delete the trigger structure.
-   */
-  if( !pParse->explain ){
-    const char *zName = pTrigger->name;
-    int nName = strlen(zName);
-    if( pTable->pTrigger == pTrigger ){
-      pTable->pTrigger = pTrigger->pNext;
-    }else{
-      Trigger *cc = pTable->pTrigger;
-      while( cc ){ 
-        if( cc->pNext == pTrigger ){
-          cc->pNext = cc->pNext->pNext;
-          break;
-        }
-        cc = cc->pNext;
-      }
-      assert(cc);
-    }
-    sqliteHashInsert(&(db->aDb[pTrigger->iDb].trigHash), zName, nName+1, 0);
-    sqliteDeleteTrigger(pTrigger);
-  }
-}
-
-/*
-** pEList is the SET clause of an UPDATE statement.  Each entry
-** in pEList is of the format <id>=<expr>.  If any of the entries
-** in pEList have an <id> which matches an identifier in pIdList,
-** then return TRUE.  If pIdList==NULL, then it is considered a
-** wildcard that matches anything.  Likewise if pEList==NULL then
-** it matches anything so always return true.  Return false only
-** if there is no match.
-*/
-static int checkColumnOverLap(IdList *pIdList, ExprList *pEList){
-  int e;
-  if( !pIdList || !pEList ) return 1;
-  for(e=0; e<pEList->nExpr; e++){
-    if( sqliteIdListIndex(pIdList, pEList->a[e].zName)>=0 ) return 1;
-  }
-  return 0; 
-}
-
-/* A global variable that is TRUE if we should always set up temp tables for
- * for triggers, even if there are no triggers to code. This is used to test 
- * how much overhead the triggers algorithm is causing.
- *
- * This flag can be set or cleared using the "trigger_overhead_test" pragma.
- * The pragma is not documented since it is not really part of the interface
- * to STQLite, just the test procedure.
-*/
-int always_code_trigger_setup = 0;
-
-/*
- * Returns true if a trigger matching op, tr_tm and foreach that is NOT already
- * on the Parse objects trigger-stack (to prevent recursive trigger firing) is
- * found in the list specified as pTrigger.
- */
-int sqliteTriggersExist(
-  Parse *pParse,          /* Used to check for recursive triggers */
-  Trigger *pTrigger,      /* A list of triggers associated with a table */
-  int op,                 /* one of TK_DELETE, TK_INSERT, TK_UPDATE */
-  int tr_tm,              /* one of TK_BEFORE, TK_AFTER */
-  int foreach,            /* one of TK_ROW or TK_STATEMENT */
-  ExprList *pChanges      /* Columns that change in an UPDATE statement */
-){
-  Trigger * pTriggerCursor;
-
-  if( always_code_trigger_setup ){
-    return 1;
-  }
-
-  pTriggerCursor = pTrigger;
-  while( pTriggerCursor ){
-    if( pTriggerCursor->op == op && 
-	pTriggerCursor->tr_tm == tr_tm && 
-	pTriggerCursor->foreach == foreach &&
-	checkColumnOverLap(pTriggerCursor->pColumns, pChanges) ){
-      TriggerStack * ss;
-      ss = pParse->trigStack;
-      while( ss && ss->pTrigger != pTrigger ){
-	ss = ss->pNext;
-      }
-      if( !ss )return 1;
-    }
-    pTriggerCursor = pTriggerCursor->pNext;
-  }
-
-  return 0;
-}
-
-/*
-** Convert the pStep->target token into a SrcList and return a pointer
-** to that SrcList.
-**
-** This routine adds a specific database name, if needed, to the target when
-** forming the SrcList.  This prevents a trigger in one database from
-** referring to a target in another database.  An exception is when the
-** trigger is in TEMP in which case it can refer to any other database it
-** wants.
-*/
-static SrcList *targetSrcList(
-  Parse *pParse,       /* The parsing context */
-  TriggerStep *pStep   /* The trigger containing the target token */
-){
-  Token sDb;           /* Dummy database name token */
-  int iDb;             /* Index of the database to use */
-  SrcList *pSrc;       /* SrcList to be returned */
-
-  iDb = pStep->pTrig->iDb;
-  if( iDb==0 || iDb>=2 ){
-    assert( iDb<pParse->db->nDb );
-    sDb.z = pParse->db->aDb[iDb].zName;
-    sDb.n = strlen(sDb.z);
-    pSrc = sqliteSrcListAppend(0, &sDb, &pStep->target);
-  } else {
-    pSrc = sqliteSrcListAppend(0, &pStep->target, 0);
-  }
-  return pSrc;
-}
-
-/*
-** Generate VDBE code for zero or more statements inside the body of a
-** trigger.  
-*/
-static int codeTriggerProgram(
-  Parse *pParse,            /* The parser context */
-  TriggerStep *pStepList,   /* List of statements inside the trigger body */
-  int orconfin              /* Conflict algorithm. (OE_Abort, etc) */  
-){
-  TriggerStep * pTriggerStep = pStepList;
-  int orconf;
-
-  while( pTriggerStep ){
-    int saveNTab = pParse->nTab;
- 
-    orconf = (orconfin == OE_Default)?pTriggerStep->orconf:orconfin;
-    pParse->trigStack->orconf = orconf;
-    switch( pTriggerStep->op ){
-      case TK_SELECT: {
-	Select * ss = sqliteSelectDup(pTriggerStep->pSelect);		  
-	assert(ss);
-	assert(ss->pSrc);
-	sqliteSelect(pParse, ss, SRT_Discard, 0, 0, 0, 0);
-	sqliteSelectDelete(ss);
-	break;
-      }
-      case TK_UPDATE: {
-        SrcList *pSrc;
-        pSrc = targetSrcList(pParse, pTriggerStep);
-        sqliteVdbeAddOp(pParse->pVdbe, OP_ListPush, 0, 0);
-        sqliteUpdate(pParse, pSrc,
-		sqliteExprListDup(pTriggerStep->pExprList), 
-		sqliteExprDup(pTriggerStep->pWhere), orconf);
-        sqliteVdbeAddOp(pParse->pVdbe, OP_ListPop, 0, 0);
-        break;
-      }
-      case TK_INSERT: {
-        SrcList *pSrc;
-        pSrc = targetSrcList(pParse, pTriggerStep);
-        sqliteInsert(pParse, pSrc,
-          sqliteExprListDup(pTriggerStep->pExprList), 
-          sqliteSelectDup(pTriggerStep->pSelect), 
-          sqliteIdListDup(pTriggerStep->pIdList), orconf);
-        break;
-      }
-      case TK_DELETE: {
-        SrcList *pSrc;
-        sqliteVdbeAddOp(pParse->pVdbe, OP_ListPush, 0, 0);
-        pSrc = targetSrcList(pParse, pTriggerStep);
-        sqliteDeleteFrom(pParse, pSrc, sqliteExprDup(pTriggerStep->pWhere));
-        sqliteVdbeAddOp(pParse->pVdbe, OP_ListPop, 0, 0);
-        break;
-      }
-      default:
-        assert(0);
-    } 
-    pParse->nTab = saveNTab;
-    pTriggerStep = pTriggerStep->pNext;
-  }
-
-  return 0;
-}
-
-/*
-** This is called to code FOR EACH ROW triggers.
-**
-** When the code that this function generates is executed, the following 
-** must be true:
-**
-** 1. No cursors may be open in the main database.  (But newIdx and oldIdx
-**    can be indices of cursors in temporary tables.  See below.)
-**
-** 2. If the triggers being coded are ON INSERT or ON UPDATE triggers, then
-**    a temporary vdbe cursor (index newIdx) must be open and pointing at
-**    a row containing values to be substituted for new.* expressions in the
-**    trigger program(s).
-**
-** 3. If the triggers being coded are ON DELETE or ON UPDATE triggers, then
-**    a temporary vdbe cursor (index oldIdx) must be open and pointing at
-**    a row containing values to be substituted for old.* expressions in the
-**    trigger program(s).
-**
-*/
-int sqliteCodeRowTrigger(
-  Parse *pParse,       /* Parse context */
-  int op,              /* One of TK_UPDATE, TK_INSERT, TK_DELETE */
-  ExprList *pChanges,  /* Changes list for any UPDATE OF triggers */
-  int tr_tm,           /* One of TK_BEFORE, TK_AFTER */
-  Table *pTab,         /* The table to code triggers from */
-  int newIdx,          /* The indice of the "new" row to access */
-  int oldIdx,          /* The indice of the "old" row to access */
-  int orconf,          /* ON CONFLICT policy */
-  int ignoreJump       /* Instruction to jump to for RAISE(IGNORE) */
-){
-  Trigger * pTrigger;
-  TriggerStack * pTriggerStack;
-
-  assert(op == TK_UPDATE || op == TK_INSERT || op == TK_DELETE);
-  assert(tr_tm == TK_BEFORE || tr_tm == TK_AFTER );
-
-  assert(newIdx != -1 || oldIdx != -1);
-
-  pTrigger = pTab->pTrigger;
-  while( pTrigger ){
-    int fire_this = 0;
-
-    /* determine whether we should code this trigger */
-    if( pTrigger->op == op && pTrigger->tr_tm == tr_tm && 
-        pTrigger->foreach == TK_ROW ){
-      fire_this = 1;
-      pTriggerStack = pParse->trigStack;
-      while( pTriggerStack ){
-        if( pTriggerStack->pTrigger == pTrigger ){
-	  fire_this = 0;
-	}
-        pTriggerStack = pTriggerStack->pNext;
-      }
-      if( op == TK_UPDATE && pTrigger->pColumns &&
-          !checkColumnOverLap(pTrigger->pColumns, pChanges) ){
-        fire_this = 0;
-      }
-    }
-
-    if( fire_this && (pTriggerStack = sqliteMalloc(sizeof(TriggerStack)))!=0 ){
-      int endTrigger;
-      SrcList dummyTablist;
-      Expr * whenExpr;
-      AuthContext sContext;
-
-      dummyTablist.nSrc = 0;
-
-      /* Push an entry on to the trigger stack */
-      pTriggerStack->pTrigger = pTrigger;
-      pTriggerStack->newIdx = newIdx;
-      pTriggerStack->oldIdx = oldIdx;
-      pTriggerStack->pTab = pTab;
-      pTriggerStack->pNext = pParse->trigStack;
-      pTriggerStack->ignoreJump = ignoreJump;
-      pParse->trigStack = pTriggerStack;
-      sqliteAuthContextPush(pParse, &sContext, pTrigger->name);
-
-      /* code the WHEN clause */
-      endTrigger = sqliteVdbeMakeLabel(pParse->pVdbe);
-      whenExpr = sqliteExprDup(pTrigger->pWhen);
-      if( sqliteExprResolveIds(pParse, &dummyTablist, 0, whenExpr) ){
-        pParse->trigStack = pParse->trigStack->pNext;
-        sqliteFree(pTriggerStack);
-        sqliteExprDelete(whenExpr);
-        return 1;
-      }
-      sqliteExprIfFalse(pParse, whenExpr, endTrigger, 1);
-      sqliteExprDelete(whenExpr);
-
-      sqliteVdbeAddOp(pParse->pVdbe, OP_ContextPush, 0, 0);
-      codeTriggerProgram(pParse, pTrigger->step_list, orconf); 
-      sqliteVdbeAddOp(pParse->pVdbe, OP_ContextPop, 0, 0);
-
-      /* Pop the entry off the trigger stack */
-      pParse->trigStack = pParse->trigStack->pNext;
-      sqliteAuthContextPop(&sContext);
-      sqliteFree(pTriggerStack);
-
-      sqliteVdbeResolveLabel(pParse->pVdbe, endTrigger);
-    }
-    pTrigger = pTrigger->pNext;
-  }
-
-  return 0;
-}