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Merge branch 'mysql-comments' of github.com:mdbtools/mdbtools into merge-164

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This commit is contained in:
Evan Miller 2020-09-02 15:48:29 -04:00
commit 7b5d547acf
2 changed files with 57 additions and 9 deletions
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12
include/mdbtools.h
View File

@ -216,7 +216,9 @@ typedef struct {
const char *drop_statement;
const char *constaint_not_empty_statement;
const char *column_comment_statement;
const char *per_column_comment_statement;
const char *table_comment_statement;
const char *per_table_comment_statement;
gchar* (*quote_schema_name)(const gchar*, const gchar*);
} MdbBackend;
@ -533,7 +535,15 @@ void mdb_remove_backends(MdbHandle *mdb);
const MdbBackendType* mdb_get_colbacktype(const MdbColumn *col);
const char* mdb_get_colbacktype_string(const MdbColumn *col);
int mdb_colbacktype_takes_length(const MdbColumn *col);
void mdb_register_backend(MdbHandle *mdb, char *backend_name, guint32 capabilities, const MdbBackendType *backend_type, const MdbBackendType *type_shortdate, const MdbBackendType *type_autonum, const char *short_now, const char *long_now, const char *charset_statement, const char *drop_statement, const char *constaint_not_empty_statement, const char *column_comment_statement, const char *table_comment_statement, gchar* (*quote_schema_name)(const gchar*, const gchar*));
void mdb_register_backend(MdbHandle *mdb, char *backend_name, guint32 capabilities,
const MdbBackendType *backend_type,
const MdbBackendType *type_shortdate,
const MdbBackendType *type_autonum,
const char *short_now, const char *long_now,
const char *charset_statement, const char *drop_statement, const char *constaint_not_empty_statement,
const char *column_comment_statement, const char *per_column_comment_statement,
const char *table_comment_statement, const char *per_table_comment_statement,
gchar* (*quote_schema_name)(const gchar*, const gchar*));
int mdb_set_default_backend(MdbHandle *mdb, const char *backend_name);
void mdb_print_schema(MdbHandle *mdb, FILE *outfile, char *tabname, char *dbnamespace, guint32 export_options);

54
src/libmdb/backend.c
View File

@ -315,6 +315,8 @@ void mdb_init_backends(MdbHandle *mdb)
NULL,
NULL,
NULL,
NULL,
NULL,
quote_schema_name_bracket_merge);
mdb_register_backend(mdb, "sybase",
MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_CST_NOTEMPTY|MDB_SHEXP_COMMENTS|MDB_SHEXP_DEFVALUES,
@ -324,7 +326,9 @@ void mdb_init_backends(MdbHandle *mdb)
"DROP TABLE %s;\n",
"ALTER TABLE %s ADD CHECK (%s <>'');\n",
"COMMENT ON COLUMN %s.%s IS %s;\n",
NULL,
"COMMENT ON TABLE %s IS %s;\n",
NULL,
quote_schema_name_dquote);
mdb_register_backend(mdb, "oracle",
MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_COMMENTS|MDB_SHEXP_INDEXES|MDB_SHEXP_RELATIONS|MDB_SHEXP_DEFVALUES,
@ -334,7 +338,9 @@ void mdb_init_backends(MdbHandle *mdb)
"DROP TABLE %s;\n",
NULL,
"COMMENT ON COLUMN %s.%s IS %s;\n",
NULL,
"COMMENT ON TABLE %s IS %s;\n",
NULL,
quote_schema_name_dquote);
mdb_register_backend(mdb, "postgres",
MDB_SHEXP_DROPTABLE|MDB_SHEXP_CST_NOTNULL|MDB_SHEXP_CST_NOTEMPTY|MDB_SHEXP_COMMENTS|MDB_SHEXP_INDEXES|MDB_SHEXP_RELATIONS|MDB_SHEXP_DEFVALUES|MDB_SHEXP_BULK_INSERT,
@ -344,7 +350,9 @@ void mdb_init_backends(MdbHandle *mdb)
"DROP TABLE IF EXISTS %s;\n",
"ALTER TABLE %s ADD CHECK (%s <>'');\n",
"COMMENT ON COLUMN %s.%s IS %s;\n",
NULL,
"COMMENT ON TABLE %s IS %s;\n",
NULL,
quote_schema_name_dquote);
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,
@ -354,7 +362,9 @@ void mdb_init_backends(MdbHandle *mdb)
"DROP TABLE IF EXISTS %s;\n",
"ALTER TABLE %s ADD CHECK (%s <>'');\n",
NULL,
"COMMENT %s",
NULL,
"COMMENT %s",
quote_schema_name_rquotes_merge);
mdb_register_backend(mdb, "sqlite",
MDB_SHEXP_DROPTABLE|MDB_SHEXP_RELATIONS|MDB_SHEXP_DEFVALUES|MDB_SHEXP_BULK_INSERT,
@ -365,6 +375,8 @@ void mdb_init_backends(MdbHandle *mdb)
NULL,
NULL,
NULL,
NULL,
NULL,
quote_schema_name_rquotes_merge);
}
@ -372,8 +384,12 @@ void mdb_register_backend(MdbHandle *mdb, char *backend_name, guint32 capabiliti
const MdbBackendType *backend_type, const MdbBackendType *type_shortdate, const MdbBackendType *type_autonum,
const char *short_now, const char *long_now,
const char *charset_statement, const char *drop_statement,
const char *constaint_not_empty_statement, const char *column_comment_statement,
const char *table_comment_statement, gchar* (*quote_schema_name)(const gchar*, const gchar*))
const char *constaint_not_empty_statement,
const char *column_comment_statement,
const char *per_column_comment_statement,
const char *table_comment_statement,
const char *per_table_comment_statement,
gchar* (*quote_schema_name)(const gchar*, const gchar*))
{
MdbBackend *backend = (MdbBackend *) g_malloc0(sizeof(MdbBackend));
backend->capabilities = capabilities;
@ -386,7 +402,9 @@ void mdb_register_backend(MdbHandle *mdb, char *backend_name, guint32 capabiliti
backend->drop_statement = drop_statement;
backend->constaint_not_empty_statement = constaint_not_empty_statement;
backend->column_comment_statement = column_comment_statement;
backend->per_column_comment_statement = per_column_comment_statement;
backend->table_comment_statement = table_comment_statement;
backend->per_table_comment_statement = per_table_comment_statement;
backend->quote_schema_name = quote_schema_name;
g_hash_table_insert(mdb->backends, backend_name, backend);
}
@ -496,7 +514,6 @@ mdb_print_indexes(FILE* outfile, MdbTableDef *table, char *dbnamespace)
MdbIndex *idx;
MdbColumn *col;
if (!strcmp(mdb->backend_name, "postgres")) {
backend = MDB_BACKEND_POSTGRES;
} else if (!strcmp(mdb->backend_name, "mysql")) {
@ -737,7 +754,6 @@ generate_table_schema(FILE *outfile, MdbCatalogEntry *entry, char *dbnamespace,
g_free(quoted_name);
if (mdb_colbacktype_takes_length(col)) {
/* more portable version from DW patch */
if (col->col_size == 0)
fputs(" (255)", outfile);
@ -747,6 +763,18 @@ generate_table_schema(FILE *outfile, MdbCatalogEntry *entry, char *dbnamespace,
fprintf(outfile, " (%d)", col->col_size);
}
if (mdb->default_backend->per_column_comment_statement && export_options & MDB_SHEXP_COMMENTS) {
prop_value = mdb_col_get_prop(col, "Description");
if (prop_value) {
char *comment = quote_with_squotes(prop_value);
fputs(" ", outfile);
fprintf(outfile,
mdb->default_backend->per_column_comment_statement,
comment);
free(comment);
}
}
if (export_options & MDB_SHEXP_CST_NOTNULL) {
if (col->col_type == MDB_BOOL) {
/* access booleans are never null */
@ -801,7 +829,17 @@ generate_table_schema(FILE *outfile, MdbCatalogEntry *entry, char *dbnamespace,
fputs("\n", outfile);
} /* for */
fputs(");\n", outfile);
fputs(")", outfile);
if (mdb->default_backend->per_table_comment_statement && export_options & MDB_SHEXP_COMMENTS) {
prop_value = mdb_table_get_prop(table, "Description");
if (prop_value) {
char *comment = quote_with_squotes(prop_value);
fputs(" ", outfile);
fprintf(outfile, mdb->default_backend->per_table_comment_statement, comment);
free(comment);
}
}
fputs(";\n", outfile);
/* Add the constraints on columns */
for (i = 0; i < table->num_cols; i++) {
@ -820,7 +858,7 @@ generate_table_schema(FILE *outfile, MdbCatalogEntry *entry, char *dbnamespace,
quoted_table_name, quoted_name);
}
if (export_options & MDB_SHEXP_COMMENTS) {
if (mdb->default_backend->column_comment_statement && export_options & MDB_SHEXP_COMMENTS) {
prop_value = mdb_col_get_prop(col, "Description");
if (prop_value) {
char *comment = quote_with_squotes(prop_value);
@ -834,8 +872,8 @@ generate_table_schema(FILE *outfile, MdbCatalogEntry *entry, char *dbnamespace,
g_free(quoted_name);
}
/* Add the comments on table */
if (export_options & MDB_SHEXP_COMMENTS) {
/* Add the constraints on table */
if (mdb->default_backend->table_comment_statement && export_options & MDB_SHEXP_COMMENTS) {
prop_value = mdb_table_get_prop(table, "Description");
if (prop_value) {
char *comment = quote_with_squotes(prop_value);