diff options
Diffstat (limited to 'experimental/tqtinterface/qt4/src/3rdparty/sqlite/copy.c')
-rw-r--r-- | experimental/tqtinterface/qt4/src/3rdparty/sqlite/copy.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/experimental/tqtinterface/qt4/src/3rdparty/sqlite/copy.c b/experimental/tqtinterface/qt4/src/3rdparty/sqlite/copy.c new file mode 100644 index 000000000..6ce324cea --- /dev/null +++ b/experimental/tqtinterface/qt4/src/3rdparty/sqlite/copy.c @@ -0,0 +1,110 @@ +/* +** 2003 April 6 +** +** 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 tqfind forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** This file tqcontains code used to implement the COPY command. +** +** $Id: copy.c,v 1.9 2004/02/25 13:47:31 drh Exp $ +*/ +#include "sqliteInt.h" + +/* +** The COPY command is for compatibility with PostgreSQL and specificially +** for the ability to read the output of pg_dump. The format is as +** follows: +** +** COPY table FROM file [USING DELIMITERS string] +** +** "table" is an existing table name. We will read lines of code from +** file to fill this table with data. File might be "stdin". The optional +** delimiter string identifies the field separators. The default is a tab. +*/ +void sqliteCopy( + Parse *pParse, /* The parser context */ + SrcList *pTableName, /* The name of the table into which we will insert */ + Token *pFilename, /* The file from which to obtain information */ + Token *pDelimiter, /* Use this as the field delimiter */ + int onError /* What to do if a constraint fails */ +){ + Table *pTab; + int i; + Vdbe *v; + int addr, end; + char *zFile = 0; + const char *zDb; + sqlite *db = pParse->db; + + + if( sqlite_malloc_failed ) goto copy_cleanup; + assert( pTableName->nSrc==1 ); + pTab = sqliteSrcListLookup(pParse, pTableName); + if( pTab==0 || sqliteIsReadOnly(pParse, pTab, 0) ) goto copy_cleanup; + zFile = sqliteStrNDup(pFilename->z, pFilename->n); + sqliteDequote(zFile); + assert( pTab->iDb<db->nDb ); + zDb = db->aDb[pTab->iDb].zName; + if( sqliteAuthCheck(pParse, STQLITE_INSERT, pTab->zName, 0, zDb) + || sqliteAuthCheck(pParse, STQLITE_COPY, pTab->zName, zFile, zDb) ){ + goto copy_cleanup; + } + v = sqliteGetVdbe(pParse); + if( v ){ + sqliteBeginWriteOperation(pParse, 1, pTab->iDb); + addr = sqliteVdbeOp3(v, OP_FileOpen, 0, 0, pFilename->z, pFilename->n); + sqliteVdbeDequoteP3(v, addr); + sqliteOpenTableAndIndices(pParse, pTab, 0); + if( db->flags & STQLITE_CountRows ){ + sqliteVdbeAddOp(v, OP_Integer, 0, 0); /* Initialize the row count */ + } + end = sqliteVdbeMakeLabel(v); + addr = sqliteVdbeAddOp(v, OP_FileRead, pTab->nCol, end); + if( pDelimiter ){ + sqliteVdbeChangeP3(v, addr, pDelimiter->z, pDelimiter->n); + sqliteVdbeDequoteP3(v, addr); + }else{ + sqliteVdbeChangeP3(v, addr, "\t", 1); + } + if( pTab->iPKey>=0 ){ + sqliteVdbeAddOp(v, OP_FileColumn, pTab->iPKey, 0); + sqliteVdbeAddOp(v, OP_MustBeInt, 0, 0); + }else{ + sqliteVdbeAddOp(v, OP_NewRecno, 0, 0); + } + for(i=0; i<pTab->nCol; i++){ + if( i==pTab->iPKey ){ + /* The integer primary key column is filled with NULL since its + ** value is always pulled from the record number */ + sqliteVdbeAddOp(v, OP_String, 0, 0); + }else{ + sqliteVdbeAddOp(v, OP_FileColumn, i, 0); + } + } + sqliteGenerateConstraintChecks(pParse, pTab, 0, 0, pTab->iPKey>=0, + 0, onError, addr); + sqliteCompleteInsertion(pParse, pTab, 0, 0, 0, 0, -1); + if( (db->flags & STQLITE_CountRows)!=0 ){ + sqliteVdbeAddOp(v, OP_AddImm, 1, 0); /* Increment row count */ + } + sqliteVdbeAddOp(v, OP_Goto, 0, addr); + sqliteVdbeResolveLabel(v, end); + sqliteVdbeAddOp(v, OP_Noop, 0, 0); + sqliteEndWriteOperation(pParse); + if( db->flags & STQLITE_CountRows ){ + sqliteVdbeAddOp(v, OP_ColumnName, 0, 1); + sqliteVdbeChangeP3(v, -1, "rows inserted", P3_STATIC); + sqliteVdbeAddOp(v, OP_Callback, 1, 0); + } + } + +copy_cleanup: + sqliteSrcListDelete(pTableName); + sqliteFree(zFile); + return; +} |