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Add MySQL support to mdb_print_indexes()

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Maurus Cuelenaere
2014-03-17 13:30:40 +01:00
committed by Nirgal Vourgère
parent 97ddfcf8b2 65b573637e
commit e2c46bad8b
1 changed files with 30 additions and 7 deletions
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27
src/libmdb/backend.c
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@@ -393,7 +393,7 @@ MDB_CONSTRUCTOR(_mdb_init_backends)
"COMMENT ON TABLE %s IS %s;\n", "COMMENT ON TABLE %s IS %s;\n",
quote_schema_name_dquote); quote_schema_name_dquote);
mdb_register_backend("mysql", mdb_register_backend("mysql",
MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_CST_NOTEMPTY|MDB_SHEXP_DEFVALUES, MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_CST_NOTEMPTY|MDB_SHEXP_INDEXES|MDB_SHEXP_DEFVALUES,
mdb_mysql_types, &mdb_mysql_shortdate_type, NULL, mdb_mysql_types, &mdb_mysql_shortdate_type, NULL,
"current_date", "now()", "current_date", "now()",
"-- That file uses encoding %s\n", "-- That file uses encoding %s\n",
@@ -496,11 +496,17 @@ mdb_print_indexes(FILE* outfile, MdbTableDef *table, char *dbnamespace)
char* quoted_table_name; char* quoted_table_name;
char* index_name; char* index_name;
char* quoted_name; char* quoted_name;
int backend;
MdbHandle* mdb = table->entry->mdb; MdbHandle* mdb = table->entry->mdb;
MdbIndex *idx; MdbIndex *idx;
MdbColumn *col; MdbColumn *col;
if (strcmp(mdb->backend_name, "postgres")) {
if (!strcmp(mdb->backend_name, "postgres")) {
backend = MDB_BACKEND_POSTGRES;
} else if (!strcmp(mdb->backend_name, "mysql")) {
backend = MDB_BACKEND_MYSQL;
} else {
fprintf(outfile, "-- Indexes are not implemented for %s\n\n", mdb->backend_name); fprintf(outfile, "-- Indexes are not implemented for %s\n\n", mdb->backend_name);
return; return;
} }
@@ -528,12 +534,29 @@ mdb_print_indexes(FILE* outfile, MdbTableDef *table, char *dbnamespace)
} }
quoted_name = mdb->default_backend->quote_schema_name(dbnamespace, index_name); quoted_name = mdb->default_backend->quote_schema_name(dbnamespace, index_name);
if (idx->index_type==1) { if (idx->index_type==1) {
switch (backend) {
case MDB_BACKEND_POSTGRES:
fprintf (outfile, "ALTER TABLE %s ADD CONSTRAINT %s PRIMARY KEY (", quoted_table_name, quoted_name); fprintf (outfile, "ALTER TABLE %s ADD CONSTRAINT %s PRIMARY KEY (", quoted_table_name, quoted_name);
break;
case MDB_BACKEND_MYSQL:
fprintf (outfile, "ALTER TABLE %s ADD PRIMARY KEY (", quoted_table_name);
break;
}
} else { } else {
switch (backend) {
case MDB_BACKEND_POSTGRES:
fprintf(outfile, "CREATE"); fprintf(outfile, "CREATE");
if (idx->flags & MDB_IDX_UNIQUE) if (idx->flags & MDB_IDX_UNIQUE)
fprintf (outfile, " UNIQUE"); fprintf (outfile, " UNIQUE");
fprintf(outfile, " INDEX %s ON %s (", quoted_name, quoted_table_name); fprintf(outfile, " INDEX %s ON %s (", quoted_name, quoted_table_name);
break;
case MDB_BACKEND_MYSQL:
fprintf(outfile, "ALTER TABLE %s ADD", quoted_table_name);
if (idx->flags & MDB_IDX_UNIQUE)
fprintf (outfile, " UNIQUE");
fprintf(outfile, " INDEX %s (", quoted_name);
break;
}
} }
g_free(quoted_name); g_free(quoted_name);
free(index_name); free(index_name);