WIP data types handling

- added ISO 8601 library (c-timestamp);
- further qualify IRD base on Elastic data types;
- various fixes

CMakeLists.txt

@@ -148,8 +148,28 @@ else (${WIN32})
 		${LIBCURL_PATH_BUILD}/lib/libcurl.so)
 endif (${WIN32})
 
+#
+# add c-timestamp to the project
+#
+if (IS_DIRECTORY $ENV{CTIMESTAMP_PATH_SRC})
+	set(CTIMESTAMP_PATH_SRC $ENV{CTIMESTAMP_PATH_SRC})
+else (IS_DIRECTORY $ENV{CTIMESTAMP_PATH_SRC})
+	if (IS_DIRECTORY ${CMAKE_SOURCE_DIR}/c-timestamp)
+		set(CTIMESTAMP_PATH_SRC ${CMAKE_SOURCE_DIR}/c-timestamp)
+	else (IS_DIRECTORY ${CMAKE_SOURCE_DIR}/c-timestamp)
+		message(FATAL_ERROR "No c-timestamp directory found: set environment"
+				" var CTIMESTAMP_PATH_SRC or place an export into "
+				"'c-timestamp' dir in local source tree.")
+	endif (IS_DIRECTORY ${CMAKE_SOURCE_DIR}/c-timestamp)
+endif (IS_DIRECTORY $ENV{CTIMESTAMP_PATH_SRC})
+message("Lib c-timestamp source path: ${CTIMESTAMP_PATH_SRC} .")
+aux_source_directory(${CTIMESTAMP_PATH_SRC}/ DRV_SRC)
+set(CTIMESTAMP_INC ${CTIMESTAMP_PATH_SRC}/ )
+
+
 message("Driver source files: ${DRV_SRC} .")
-message("Driver include paths: " ${DRV_SRC_DIR} ${LIBCURL_INC} ${UJSON4C_INC})
+message("Driver include paths: " ${DRV_SRC_DIR} ${LIBCURL_INC} ${UJSON4C_INC}
+	${CTIMESTAMP_INC})
 
 #
 # finally, set destination library
@@ -158,7 +178,8 @@ add_library(${DRV_NAME} SHARED ${DRV_SRC} ${DRV_BUILD_DIR}/${DRV_NAME}.def)
 #generate_export_header(${DRV_NAME})
 
 #include_directories(${DRV_SRC_DIR} ${DRV_BUILD_DIR})
-include_directories(${DRV_SRC_DIR} ${LIBCURL_INC} ${UJSON4C_INC})
+include_directories(${DRV_SRC_DIR} ${LIBCURL_INC} ${UJSON4C_INC} 
+	${CTIMESTAMP_INC})
 
 
 target_link_libraries(${DRV_NAME} libcurl)

driver/handles.c

@@ -105,6 +105,59 @@ static void clear_desc(esodbc_stmt_st *stmt, desc_type_et dtype, BOOL reinit)
 		init_desc(desc, desc->stmt, desc->type, desc->alloc_type);
 }
 
+void dump_record(desc_rec_st *rec)
+{
+	DBG("Dumping REC@0x%p", rec);
+#define DUMP_FIELD(_strp, _name, _desc) \
+	DBG("0x%p->%s: `" _desc "`.", _strp, # _name, (_strp)->_name)
+
+	DUMP_FIELD(rec, desc, "0x%p");
+	DUMP_FIELD(rec, meta_type, "%d");
+
+	DUMP_FIELD(rec, concise_type, "%d");
+	DUMP_FIELD(rec, type, "%d");
+	DUMP_FIELD(rec, datetime_interval_code, "%d");
+
+	DUMP_FIELD(rec, data_ptr, "0x%p");
+
+	DUMP_FIELD(rec, base_column_name, LTPD);
+	DUMP_FIELD(rec, base_table_name, LTPD);
+	DUMP_FIELD(rec, catalog_name, LTPD);
+	DUMP_FIELD(rec, label, LTPD);
+	DUMP_FIELD(rec, literal_prefix, LTPD);
+	DUMP_FIELD(rec, literal_suffix, LTPD);
+	DUMP_FIELD(rec, local_type_name, LTPD);
+	DUMP_FIELD(rec, name, LTPD);
+	DUMP_FIELD(rec, schema_name, LTPD);
+	DUMP_FIELD(rec, table_name, LTPD);
+	DUMP_FIELD(rec, type_name, LTPD);
+
+	DUMP_FIELD(rec, indicator_ptr, "0x%p");
+	DUMP_FIELD(rec, octet_length_ptr, "0x%p");
+
+	DUMP_FIELD(rec, display_size, "%lld");
+	DUMP_FIELD(rec, octet_length, "%lld");
+
+	DUMP_FIELD(rec, length, "%llu");
+
+	DUMP_FIELD(rec, auto_unique_value, "%d");
+	DUMP_FIELD(rec, case_sensitive, "%d");
+	DUMP_FIELD(rec, datetime_interval_precision, "%d");
+	DUMP_FIELD(rec, num_prec_radix, "%d");
+
+	DUMP_FIELD(rec, fixed_prec_scale, "%d");
+	DUMP_FIELD(rec, nullable, "%d");
+	DUMP_FIELD(rec, parameter_type, "%d");
+	DUMP_FIELD(rec, precision, "%d");
+	DUMP_FIELD(rec, rowver, "%d");
+	DUMP_FIELD(rec, scale, "%d");
+	DUMP_FIELD(rec, searchable, "%d");
+	DUMP_FIELD(rec, unnamed, "%d");
+	DUMP_FIELD(rec, usigned, "%d");
+	DUMP_FIELD(rec, updatable, "%d");
+#undef DUMP_FIELD
+}
+
 /*
  * The Driver Manager does not call the driver-level environment handle
  * allocation function until the application calls SQLConnect,
@@ -1639,6 +1692,8 @@ static esodbc_metatype_et sqltype_to_meta(SQLSMALLINT concise)
 			return METATYPE_UID;
 	}
 
+	// BUG?
+	WARN("unknown meta type for concise SQL type %d.", concise);
 	return METATYPE_UNKNOWN;
 }
 
@@ -1715,6 +1770,8 @@ static esodbc_metatype_et sqlctype_to_meta(SQLSMALLINT concise)
 			return METATYPE_MAX;
 	}
 
+	// BUG?
+	WARN("unknown meta type for concise C SQL type %d.", concise);
 	return METATYPE_UNKNOWN;
 }
 
@@ -1780,7 +1837,7 @@ static BOOL consistency_check(esodbc_desc_st *desc, desc_rec_st *rec)
 	return TRUE;
 }
 
-static inline esodbc_metatype_et concise_to_meta(SQLSMALLINT concise_type, 
+esodbc_metatype_et concise_to_meta(SQLSMALLINT concise_type, 
 		desc_type_et desc_type)
 {
 	switch (desc_type) {

driver/handles.h

@@ -254,10 +254,13 @@ typedef struct struct_stmt {
 
 SQLRETURN update_rec_count(esodbc_desc_st *desc, SQLSMALLINT new_count);
 desc_rec_st* get_record(esodbc_desc_st *desc, SQLSMALLINT rec_no, BOOL grow);
+void dump_record(desc_rec_st *rec);
 
 /* TODO: move to some utils.h */
 void concise_to_type_code(SQLSMALLINT concise, SQLSMALLINT *type, 
 		SQLSMALLINT *code);
+esodbc_metatype_et concise_to_meta(SQLSMALLINT concise_type, 
+		desc_type_et desc_type);
 
 SQLRETURN EsSQLAllocHandle(SQLSMALLINT HandleType,
 	SQLHANDLE InputHandle, _Out_ SQLHANDLE *OutputHandle);

driver/info.c

@@ -132,7 +132,7 @@ static SQLUSMALLINT esodbc_functions[] = {
 
 SQLRETURN write_tstr(esodbc_diag_st *diag,
 		SQLTCHAR *dest, const SQLTCHAR *src,
-		SQLSMALLINT /*B*/avail, SQLSMALLINT *usedp)
+		SQLSMALLINT /*B*/avail, SQLSMALLINT /*B*/*usedp)
 {
 	size_t src_len, awail;
 	SQLSMALLINT used;

driver/info.h

@@ -20,7 +20,7 @@
  */
 SQLRETURN write_tstr(esodbc_diag_st *diag,
 		SQLTCHAR *dest, const SQLTCHAR *src,
-		SQLSMALLINT /*B*/avail, SQLSMALLINT *usedp);
+		SQLSMALLINT /*B*/avail, SQLSMALLINT /*B*/*usedp);
 
 SQLRETURN EsSQLGetInfoW(SQLHDBC ConnectionHandle,
 		SQLUSMALLINT InfoType,