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Debian patch 150-backend-quote from Nirgal Vourgère

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This commit is contained in:
Brian Bruns
2010-06-20 16:27:42 -04:00
parent 4c83570d41
commit 30e5a6f4bb
5 changed files with 138 additions and 76 deletions
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84
src/libmdb/backend.c
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@@ -143,6 +143,54 @@ static MdbBackendType mdb_mysql_types[] = {
#ifndef JAVA
static gboolean mdb_drop_backend(gpointer key, gpointer value, gpointer data);
char* sanitize_name(const char* str)
{
char *result = malloc(256);
char *p = result;
if (*str) {
*p = isalpha(*str) ? *str : '_';
p++;
str++;
}
while (*str) {
*p = isalnum(*str) ? *str : '_';
p++;
str++;
}
*p = 0;
return result;
}
static char* quote_name_with_brackets(const char* name)
{
char *result = malloc(strlen(name)+3);
sprintf(result, "[%s]", name);
return result;
}
static char* quote_name_with_dquotes(const char* name)
{
char *result = malloc(2*strlen(name)+3);
char *p = result;
*p++ = '"';
while (*name) {
*p++ = *name;
if (*name == '"')
*p++ = *name; /* double it */
name ++;
}
*p++ = '"';
*p++ = 0;
return result;
}
static char* quote_name_with_rquotes(const char* name)
{
return (char*)g_strconcat("`", name, "`", NULL);
}
char *mdb_get_coltype_string(MdbBackend *backend, int col_type)
{
static char buf[16];
@@ -171,16 +219,17 @@ void mdb_init_backends()
{
mdb_backends = g_hash_table_new(g_str_hash, g_str_equal);
mdb_register_backend(mdb_access_types, "access");
mdb_register_backend(mdb_sybase_types, "sybase");
mdb_register_backend(mdb_oracle_types, "oracle");
mdb_register_backend(mdb_postgres_types, "postgres");
mdb_register_backend(mdb_mysql_types, "mysql");
mdb_register_backend(mdb_access_types, quote_name_with_brackets, "access");
mdb_register_backend(mdb_sybase_types, quote_name_with_dquotes, "sybase");
mdb_register_backend(mdb_oracle_types, quote_name_with_dquotes, "oracle");
mdb_register_backend(mdb_postgres_types, quote_name_with_dquotes, "postgres");
mdb_register_backend(mdb_mysql_types, quote_name_with_rquotes, "mysql");
}
void mdb_register_backend(MdbBackendType *backend_type, char *backend_name)
void mdb_register_backend(MdbBackendType *backend_type, char* (*quote_name)(const char*), char *backend_name)
{
MdbBackend *backend = (MdbBackend *) g_malloc0(sizeof(MdbBackend));
backend->types_table = backend_type;
backend->quote_name = quote_name;
g_hash_table_insert(mdb_backends, backend_name, backend);
}
@@ -247,6 +296,9 @@ char *mdb_get_relationships(MdbHandle *mdb)
static char *bound[4]; /* Bound values */
static MdbTableDef *table; /* Relationships table */
int backend = 0; /* Backends: 1=oracle */
char *quoted_table_1, *quoted_column_1,
*quoted_table_2, *quoted_column_2,
*constraint_name, *quoted_constraint_name;
if (strncmp(mdb->backend_name,"oracle",6) == 0) {
backend = 1;
@@ -296,10 +348,22 @@ char *mdb_get_relationships(MdbHandle *mdb)
switch (backend) {
case 1: /* oracle */
text = g_strconcat("alter table ", bound[1],
" add constraint ", bound[3], "_", bound[1],
" foreign key (", bound[0], ")"
" references ", bound[3], "(", bound[2], ")", NULL);
quoted_table_1 = mdb->default_backend->quote_name(bound[1]);
quoted_column_1 = mdb->default_backend->quote_name(bound[0]);
quoted_table_2 = mdb->default_backend->quote_name(bound[3]);
quoted_column_2 = mdb->default_backend->quote_name(bound[2]);
constraint_name = g_strconcat(bound[3], "_", bound[1], NULL);
quoted_constraint_name = mdb->default_backend->quote_name(constraint_name);
free(constraint_name);
text = g_strconcat("ALTER TABLE ", quoted_table_1,
" ADD CONSTRAINT ", quoted_constraint_name,
" FOREIGN KEY (", quoted_column_1, ")"
" REFERENCES ", quoted_table_2, "(", quoted_column_2, ");", NULL);
free(quoted_table_1);
free(quoted_column_1);
free(quoted_table_2);
free(quoted_column_2);
free(quoted_constraint_name);
break;
}