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Merge pull request #257 from mjwoodcock/mysql-schema

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Mysql schema
This commit is contained in:
Evan Miller
2021-02-16 16:48:42 -05:00
committed by GitHub
parent 1bfce353d4 2be45a3a0b
commit ed894ef12c
1 changed files with 18 additions and 2 deletions
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20
src/libmdb/backend.c
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@@ -121,6 +121,10 @@ static const MdbBackendType mdb_mysql_types[] = {
}; };
static const MdbBackendType mdb_mysql_shortdate_type = static const MdbBackendType mdb_mysql_shortdate_type =
{ .name = "date" }; { .name = "date" };
/* We can't use the MySQL SERIAL type because that uses a bigint which
* is 64 bits wide, whereas MDB long ints are 32 bits */
static const MdbBackendType mdb_mysql_serial_type =
{ .name = "int not null auto_increment unique" };
/* sqlite data types */ /* sqlite data types */
static const MdbBackendType mdb_sqlite_types[] = { static const MdbBackendType mdb_sqlite_types[] = {
@@ -349,8 +353,8 @@ void mdb_init_backends(MdbHandle *mdb)
NULL, NULL,
quote_schema_name_dquote); quote_schema_name_dquote);
mdb_register_backend(mdb, "mysql", mdb_register_backend(mdb, "mysql",
MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_CST_NOTEMPTY|MDB_SHEXP_INDEXES|MDB_SHEXP_DEFVALUES|MDB_SHEXP_BULK_INSERT, MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_CST_NOTEMPTY|MDB_SHEXP_INDEXES|MDB_SHEXP_RELATIONS|MDB_SHEXP_DEFVALUES|MDB_SHEXP_BULK_INSERT,
mdb_mysql_types, &mdb_mysql_shortdate_type, NULL, mdb_mysql_types, &mdb_mysql_shortdate_type, &mdb_mysql_serial_type,
"current_date", "now()", "current_date", "now()",
"%Y-%m-%d %H:%M:%S", "%Y-%m-%d %H:%M:%S",
"%Y-%m-%d", "%Y-%m-%d",
@@ -642,6 +646,8 @@ mdb_get_relationships(MdbHandle *mdb, const gchar *dbnamespace, const char* tabl
backend = MDB_BACKEND_ORACLE; backend = MDB_BACKEND_ORACLE;
} else if (!strcmp(mdb->backend_name, "postgres")) { } else if (!strcmp(mdb->backend_name, "postgres")) {
backend = MDB_BACKEND_POSTGRES; backend = MDB_BACKEND_POSTGRES;
} else if (!strcmp(mdb->backend_name, "mysql")) {
backend = MDB_BACKEND_MYSQL;
} else if (!mdb->relationships_table) { } else if (!mdb->relationships_table) {
return NULL; return NULL;
} }
@@ -731,6 +737,16 @@ mdb_get_relationships(MdbHandle *mdb, const gchar *dbnamespace, const char* tabl
";\n", NULL); ";\n", NULL);
break; break;
case MDB_BACKEND_MYSQL:
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, ")",
(grbit & 0x00000100) ? " ON UPDATE CASCADE" : "",
(grbit & 0x00001000) ? " ON DELETE CASCADE" : "",
";\n", NULL);
break;
case MDB_BACKEND_POSTGRES: case MDB_BACKEND_POSTGRES:
text = g_strconcat( text = g_strconcat(
"ALTER TABLE ", quoted_table_1, "ALTER TABLE ", quoted_table_1,