bool vdcd_extract_from_phys_table( col_defs* defs, const VTable *my_table )
{
bool col_defs_found = false;
KNamelist *names;
rc_t rc = VTableListPhysColumns( my_table, &names );
DISP_RC( rc, "VTableListPhysColumns() failed" );
if ( rc == 0 )
{
uint32_t n;
uint32_t found = 0;
rc = KNamelistCount( names, &n );
DISP_RC( rc, "KNamelistCount() failed" );
if ( rc == 0 )
{
uint32_t i;
for ( i = 0; i < n && rc == 0; ++i )
{
const char *col_name;
rc = KNamelistGet( names, i, &col_name );
DISP_RC( rc, "KNamelistGet() failed" );
if ( rc == 0 )
{
vdcd_append_col( defs, col_name );
found++;
}
}
col_defs_found = ( found > 0 );
}
rc = KNamelistRelease( names );
DISP_RC( rc, "KNamelistRelease() failed" );
}
return col_defs_found;
}
bool vdcd_extract_from_table( col_defs* defs, const VTable *my_table )
{
bool col_defs_found = false;
KNamelist *names;
rc_t rc = VTableListCol( my_table, &names );
DISP_RC( rc, "VTableListCol() failed" );
if ( rc == 0 )
{
const VCursor *my_cursor;
rc = VTableCreateCursorRead( my_table, &my_cursor );
DISP_RC( rc, "VTableCreateCursorRead() failed" );
if ( rc == 0 )
{
uint32_t n;
uint32_t found = 0;
rc = KNamelistCount( names, &n );
DISP_RC( rc, "KNamelistCount() failed" );
if ( rc == 0 )
{
uint32_t i;
for ( i = 0; i < n && rc ==0; ++i )
{
const char *col_name;
rc = KNamelistGet( names, i, &col_name );
DISP_RC( rc, "KNamelistGet() failed" );
if ( rc == 0 )
{
p_col_def def = vdcd_append_col( defs, col_name );
rc = VCursorAddColumn( my_cursor, &(def->idx), def->name );
DISP_RC( rc, "VCursorAddColumn() failed" );
if ( rc == 0 )
{
rc = VCursorDatatype( my_cursor, def->idx,
&(def->type_decl), &(def->type_desc) );
DISP_RC( rc, "VCursorDatatype() failed" );
if ( rc == 0 )
{
found++;
}
}
}
}
col_defs_found = ( found > 0 );
}
rc = VCursorRelease( my_cursor );
DISP_RC( rc, "VCursorRelease() failed" );
}
rc = KNamelistRelease( names );
DISP_RC( rc, "KNamelistRelease() failed" );
}
return col_defs_found;
}
uint32_t vdcd_parse_string( col_defs* defs, const char* src, const VTable *my_table )
{
uint32_t count, found = 0;
char colname[MAX_COL_NAME_LEN+1];
size_t i_dest = 0;
if ( defs == NULL ) return false;
if ( src == NULL ) return false;
while ( *src )
{
if ( *src == ',' )
{
if ( i_dest > 0 )
{
colname[i_dest]=0;
vdcd_append_col( defs, colname );
}
i_dest = 0;
}
else
{
if ( i_dest < MAX_COL_NAME_LEN ) colname[i_dest++]=*src;
}
src++;
}
if ( i_dest > 0 )
{
colname[i_dest]=0;
vdcd_append_col( defs, colname );
}
count = VectorLength( &defs->cols );
if ( count > 0 && my_table != NULL )
{
const VCursor *my_cursor;
rc_t rc = VTableCreateCursorRead( my_table, &my_cursor );
DISP_RC( rc, "VTableCreateCursorRead() failed" );
if ( rc == 0 )
{
uint32_t idx;
for ( idx = 0; idx < count; ++idx )
{
col_def *col = ( col_def * )VectorGet( &(defs->cols), idx );
if ( col != NULL )
{
rc = VCursorAddColumn( my_cursor, &(col->idx), col->name );
DISP_RC( rc, "VCursorAddColumn() failed" );
if ( rc == 0 )
{
rc = VCursorDatatype( my_cursor, col->idx,
&(col->type_decl), &(col->type_desc) );
DISP_RC( rc, "VCursorDatatype() failed" );
if ( rc == 0 )
found++;
}
}
}
rc = VCursorRelease( my_cursor );
DISP_RC( rc, "VCursorRelease() failed" );
}
}
return found;
}
