1 files changed, 47 insertions, 0 deletions
diff --git a/src/lib-dict-backend/dict-sql-settings.h b/src/lib-dict-backend/dict-sql-settings.h
new file mode 100644
index 0000000..c9ee037
--- /dev/null
+++ b/src/lib-dict-backend/dict-sql-settings.h
@@ -0,0 +1,47 @@
+#ifndef DICT_SQL_SETTINGS_H
+#define DICT_SQL_SETTINGS_H
+
+enum dict_sql_type {
+	DICT_SQL_TYPE_STRING = 0,
+	DICT_SQL_TYPE_INT,
+	DICT_SQL_TYPE_UINT,
+	DICT_SQL_TYPE_HEXBLOB
+};
+
+struct dict_sql_field {
+	const char *name;
+	enum dict_sql_type value_type;
+};
+
+struct dict_sql_map {
+	/* pattern is in simplified form: all variables are stored as simple
+	   '$' character. fields array is sorted by the variable index. */
+	const char *pattern;
+	const char *table;
+	const char *username_field;
+	const char *value_field;
+	const char *value_type;
+	bool value_hexblob;
+
+	/* SQL field names, one for each $ variable in the pattern */
+	ARRAY(struct dict_sql_field) pattern_fields;
+
+	/* generated: */
+	unsigned int values_count;
+	const char *const *value_fields;
+	const enum dict_sql_type *value_types;
+};
+
+struct dict_sql_settings {
+	const char *connect;
+
+	unsigned int max_pattern_fields_count;
+	ARRAY(struct dict_sql_map) maps;
+};
+
+struct dict_sql_settings *
+dict_sql_settings_read(const char *path, const char **error_r);
+
+void dict_sql_settings_deinit(void);
+
+#endif