/ Changes On Branch reusable-pragma
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Changes In Branch reusable-pragma Excluding Merge-Ins

This is equivalent to a diff from 10a3e2a0 to db1ce7e1

2016-03-16
21:29
The prepared statements for some pragmas can now be reused without invoking an automatic reprepare. (check-in: 97b0e88c user: drh tags: trunk)
20:53
Merge the changes on the reusable-pragma branch into this one. (check-in: 6c4a17b9 user: dan tags: fts5-data-version)
20:44
Some pragmas can be reused without an automatic reprepare. (Closed-Leaf check-in: db1ce7e1 user: drh tags: reusable-pragma)
20:05
Fix a comment on the freelist_count and data_version pragmas. (check-in: 10a3e2a0 user: drh tags: trunk)
19:53
Add a cast to an implict (size_t -> int) conversion in fts5_expr.c. (check-in: d9b5ff7a user: dan tags: trunk)

Changes to src/pragma.c.

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      aOp = sqlite3VdbeAddOpList(v, ArraySize(readCookie),readCookie,0);
      if( ONLY_IF_REALLOC_STRESS(aOp==0) ) break;
      aOp[0].p1 = iDb;
      aOp[1].p1 = iDb;
      aOp[1].p3 = iCookie;
      sqlite3VdbeSetNumCols(v, 1);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);

    }
  }
  break;
#endif /* SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS */

#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
  /*
................................................................................
    const char *zOpt;
    pParse->nMem = 1;
    setOneColumnName(v, "compile_option");
    while( (zOpt = sqlite3_compileoption_get(i++))!=0 ){
      sqlite3VdbeLoadString(v, 1, zOpt);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
    }

  }
  break;
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */

#ifndef SQLITE_OMIT_WAL
  /*
  **   PRAGMA [schema.]wal_checkpoint = passive|full|restart|truncate







>







 







>







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      aOp = sqlite3VdbeAddOpList(v, ArraySize(readCookie),readCookie,0);
      if( ONLY_IF_REALLOC_STRESS(aOp==0) ) break;
      aOp[0].p1 = iDb;
      aOp[1].p1 = iDb;
      aOp[1].p3 = iCookie;
      sqlite3VdbeSetNumCols(v, 1);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);
      sqlite3VdbeReusable(v);
    }
  }
  break;
#endif /* SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS */

#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
  /*
................................................................................
    const char *zOpt;
    pParse->nMem = 1;
    setOneColumnName(v, "compile_option");
    while( (zOpt = sqlite3_compileoption_get(i++))!=0 ){
      sqlite3VdbeLoadString(v, 1, zOpt);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
    }
    sqlite3VdbeReusable(v);
  }
  break;
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */

#ifndef SQLITE_OMIT_WAL
  /*
  **   PRAGMA [schema.]wal_checkpoint = passive|full|restart|truncate

Changes to src/vdbe.h.

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int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op);
void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
void sqlite3VdbeSetP4KeyInfo(Parse*, Index*);
void sqlite3VdbeUsesBtree(Vdbe*, int);
VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
int sqlite3VdbeMakeLabel(Vdbe*);
void sqlite3VdbeRunOnlyOnce(Vdbe*);

void sqlite3VdbeDelete(Vdbe*);
void sqlite3VdbeClearObject(sqlite3*,Vdbe*);
void sqlite3VdbeMakeReady(Vdbe*,Parse*);
int sqlite3VdbeFinalize(Vdbe*);
void sqlite3VdbeResolveLabel(Vdbe*, int);
int sqlite3VdbeCurrentAddr(Vdbe*);
#ifdef SQLITE_DEBUG







>







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int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op);
void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
void sqlite3VdbeSetP4KeyInfo(Parse*, Index*);
void sqlite3VdbeUsesBtree(Vdbe*, int);
VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
int sqlite3VdbeMakeLabel(Vdbe*);
void sqlite3VdbeRunOnlyOnce(Vdbe*);
void sqlite3VdbeReusable(Vdbe*);
void sqlite3VdbeDelete(Vdbe*);
void sqlite3VdbeClearObject(sqlite3*,Vdbe*);
void sqlite3VdbeMakeReady(Vdbe*,Parse*);
int sqlite3VdbeFinalize(Vdbe*);
void sqlite3VdbeResolveLabel(Vdbe*, int);
int sqlite3VdbeCurrentAddr(Vdbe*);
#ifdef SQLITE_DEBUG

Changes to src/vdbeaux.c.

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/*
** Mark the VDBE as one that can only be run one time.
*/
void sqlite3VdbeRunOnlyOnce(Vdbe *p){
  p->runOnlyOnce = 1;
}








#ifdef SQLITE_DEBUG /* sqlite3AssertMayAbort() logic */

/*
** The following type and function are used to iterate through all opcodes
** in a Vdbe main program and each of the sub-programs (triggers) it may 
** invoke directly or indirectly. It should be used as follows:







>
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>







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/*
** Mark the VDBE as one that can only be run one time.
*/
void sqlite3VdbeRunOnlyOnce(Vdbe *p){
  p->runOnlyOnce = 1;
}

/*
** Mark the VDBE as one that can only be run multiple times.
*/
void sqlite3VdbeReusable(Vdbe *p){
  p->runOnlyOnce = 0;
}

#ifdef SQLITE_DEBUG /* sqlite3AssertMayAbort() logic */

/*
** The following type and function are used to iterate through all opcodes
** in a Vdbe main program and each of the sub-programs (triggers) it may 
** invoke directly or indirectly. It should be used as follows: