firebird/firebird-mirror
firebird/firebird-mirror
8
0
Fork 1
mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-24 10:43:03 +01:00
Code Issues

Generate old blr codes (blr_exec_sql or blr_exec_into) if given EXEC STMT statement is compatible with old syntax. Per Adriano request.

Browse Source
This commit is contained in:
hvlad 2008-04-16 13:08:51 +00:00
parent c733485676
commit 23dad7416f
1 changed files with 44 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
src/dsql/gen.cpp
View File

@ -1101,37 +1101,66 @@ void GEN_statement( dsql_req* request, dsql_nod* node)
return;
case nod_exec_stmt:
{ // scope
const bool old_syntax =
(node->nod_arg[e_exec_stmt_inputs] == NULL) &&
(node->nod_arg[e_exec_stmt_data_src]->nod_type == nod_null) &&
(node->nod_arg[e_exec_stmt_user]->nod_type == nod_null) &&
(node->nod_arg[e_exec_stmt_pwd]->nod_type == nod_null) &&
(node->nod_arg[e_exec_stmt_tran]->nod_flags == NOD_TRAN_COMMON);
const bool old_exec_into = old_syntax && node->nod_arg[e_exec_stmt_outputs];
if (node->nod_arg[e_exec_stmt_proc_block]) {
stuff(request, blr_label);
stuff(request, (int)(IPTR) node->nod_arg[e_exec_stmt_label]->nod_arg[e_label_number]);
}
stuff(request, blr_exec_stmt);
if (old_syntax) {
if (old_exec_into) {
stuff(request, blr_exec_into);
}
else {
stuff(request, blr_exec_sql);
}
}
else {
stuff(request, blr_exec_stmt);
}
// counts of input and output parameters
temp = node->nod_arg[e_exec_stmt_inputs];
stuff_word(request, temp ? temp->nod_count : 0);
temp = node->nod_arg[e_exec_stmt_outputs];
stuff_word(request, temp ? temp->nod_count : 0);
if (!old_syntax)
{
temp = node->nod_arg[e_exec_stmt_inputs];
stuff_word(request, temp ? temp->nod_count : 0);
}
if (!old_syntax || old_exec_into)
{
temp = node->nod_arg[e_exec_stmt_outputs];
stuff_word(request, temp->nod_count);
}
// query expression
GEN_expr(request, node->nod_arg[e_exec_stmt_sql]);
// external data source, user and password
GEN_expr(request, node->nod_arg[e_exec_stmt_data_src]);
GEN_expr(request, node->nod_arg[e_exec_stmt_user]);
GEN_expr(request, node->nod_arg[e_exec_stmt_pwd]);
if (!old_syntax)
{
// external data source, user and password
GEN_expr(request, node->nod_arg[e_exec_stmt_data_src]);
GEN_expr(request, node->nod_arg[e_exec_stmt_user]);
GEN_expr(request, node->nod_arg[e_exec_stmt_pwd]);
// statement's transaction behavior
stuff(request, (UCHAR) node->nod_arg[e_exec_stmt_tran]->nod_flags);
stuff(request, 0); // transaction parameters equal to current transaction
// statement's transaction behavior
stuff(request, (UCHAR) node->nod_arg[e_exec_stmt_tran]->nod_flags);
stuff(request, 0); // transaction parameters equal to current transaction
}
// singleton flag and proc block body
if (node->nod_arg[e_exec_stmt_proc_block]) {
stuff(request, 0); // non-singleton
GEN_statement(request, node->nod_arg[e_exec_stmt_proc_block]);
}
else {
else if (!old_syntax || old_exec_into) {
stuff(request, 1); // singleton
}
@ -1164,6 +1193,7 @@ void GEN_statement( dsql_req* request, dsql_nod* node)
GEN_expr(request, *ptr);
}
}
} // scope of case nod_exec_stmt
return;
case nod_return: