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ma_helper.h
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/************************************************************************************
Copyright (C) 2013,2018 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*************************************************************************************/
#ifndef _ma_helper_h_
#define _ma_helper_h_
void CloseMultiStatements(MADB_Stmt *Stmt);
MYSQL_STMT* MADB_NewStmtHandle(MADB_Stmt *Stmt);
BOOL QueryIsPossiblyMultistmt(MADB_QUERY *Query);
int SqlRtrim(char *StmtStr, int Length);
unsigned int GetMultiStatements(MADB_Stmt *Stmt, BOOL ExecDirect);
int MADB_KeyTypeCount(MADB_Dbc *Connection, char *TableName, int KeyFlag);
MYSQL_RES *MADB_ReadDefaultValues(MADB_Dbc *Dbc, const char *Catalog, const char *TableName);
int MADB_GetDefaultType(int SQLDataType);
void MADB_CopyOdbcTsToMadbTime(SQL_TIMESTAMP_STRUCT *Src, MYSQL_TIME *Dst);
void MADB_CopyMadbTimeToOdbcTs(MYSQL_TIME *Src, SQL_TIMESTAMP_STRUCT *Dst);
SQLRETURN MADB_CopyMadbTimestamp(MADB_Stmt *Stmt, MYSQL_TIME *tm, SQLPOINTER DataPtr, SQLLEN *Length, SQLLEN *Ind,
SQLSMALLINT CType, SQLSMALLINT SqlType);
int MADB_GetWCharType(int Type);
BOOL MADB_CheckODBCType(SQLSMALLINT Type);
SQLSMALLINT MADB_GetTypeFromConciseType(SQLSMALLINT ConciseType);
size_t MADB_GetTypeLength(SQLINTEGER SqlDataType, size_t Length);
SQLLEN MADB_GetDataSize(SQLSMALLINT SqlType, SQLLEN OctetLength, BOOL Unsigned,
SQLSMALLINT Precision, SQLSMALLINT Scale, unsigned int CharMaxLen);
int MADB_GetMaDBTypeAndLength(SQLINTEGER SqlDataType, my_bool *Unsigned, unsigned long *Length);
//char *MADB_GetDefaultColumnValue(MADB_Stmt *Stmt, char *Schema, char *TableName, char *Column);
SQLSMALLINT MapMariadDbToOdbcType(MYSQL_FIELD *field);
SQLSMALLINT MapToV2Type(SQLSMALLINT type);
size_t MADB_GetHexString(char *BinaryBuffer, size_t BinaryLength,
char *HexBuffer, size_t HexLength);
int CheckExpiration(int64_t expiration);
size_t MADB_GetDisplaySize(MYSQL_FIELD *Field, MARIADB_CHARSET_INFO *charset);
size_t MADB_GetOctetLength(MYSQL_FIELD *Field, unsigned short MaxCharLen);
char * MADB_GetTypeName(MYSQL_FIELD *Field);
char * ltrim(char *Str);
char * trim(char *Str);
my_bool MADB_CheckPtrLength(SQLINTEGER MaxLength, char *Ptr, SQLINTEGER NameLen);
void * GetBindOffset(MADB_Desc *Ard, MADB_DescRecord *ArdRecord, void *Ptr, SQLULEN RowNumber, size_t PtrSize);
BOOL MADB_ColumnIgnoredInAllRows(MADB_Desc *Desc, MADB_DescRecord *Rec);
SQLRETURN MADB_DaeStmt(MADB_Stmt *Stmt, SQLUSMALLINT Operation);
MYSQL_RES * MADB_GetDefaultColumnValues(MADB_Stmt *Stmt, MYSQL_FIELD *fields);
char * MADB_GetDefaultColumnValue(MYSQL_RES *res, const char *Column);
/* SQL_NUMERIC stuff */
int MADB_CharToSQLNumeric (char *buffer, MADB_Desc *Ard, MADB_DescRecord *ArdRecord,
SQL_NUMERIC_STRUCT *dst_buffer, unsigned long RowNumber);
void MADB_NumericInit (SQL_NUMERIC_STRUCT *number, MADB_DescRecord *Ard);
int MADB_FindNextDaeParam (MADB_Desc *Desc, int InitialParam, SQLSMALLINT RowNumber);
BOOL MADB_IsNumericType(SQLSMALLINT ConciseType);
BOOL MADB_IsIntType (SQLSMALLINT ConciseType);
/* For multistatement picks stmt handler pointed by stored index, and sets it as "current" stmt handler */
void MADB_InstallStmt (MADB_Stmt *Stmt, MYSQL_STMT *stmt);
int SetDBCharsetnr(MADB_Dbc *Connection);
/* for dummy binding */
extern my_bool DummyError;
MYSQL_RES *S2_ShowTables(MADB_Stmt *stmt,
SQLCHAR *catalog,
SQLSMALLINT catalog_length,
SQLCHAR *table,
SQLSMALLINT table_length,
BOOL wildcard);
MYSQL_RES *
S2_ListFields(MADB_Stmt *stmt,
SQLCHAR *catalog,
SQLSMALLINT catalog_length,
SQLCHAR *table,
SQLSMALLINT table_length);
MYSQL_RES *S2_ShowColumnsInTable(MADB_Stmt *stmt,
SQLCHAR *catalog,
SQLSMALLINT catalog_length,
SQLCHAR *table,
SQLSMALLINT table_length,
SQLCHAR *column_like,
SQLSMALLINT column_length);
MYSQL_RES *S2_ShowKeysInTable(MADB_Stmt *stmt,
SQLCHAR *catalog,
SQLSMALLINT catalog_length,
SQLCHAR *table,
SQLSMALLINT table_length);
typedef struct {
char *FieldName;
char *FieldTypeS2;
char *DefaultValue;
} FieldDescr;
typedef struct {
FieldDescr *list;
int n_fields;
} FieldDescrList;
FieldDescrList *ProcessShowColumns(MYSQL_RES *res);
FieldDescr *GetFieldDescr(const char *name, FieldDescrList *allFields);
void FreeFieldDescrList(FieldDescrList *allFields);
void EmulatedCleanup(MYSQL *mysql);
/* Stringify macros */
#define XSTR(s) STR(s)
#define STR(s) #s
#define MADB_INT_MAX32 0x7FFFFFFFL
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef test
#define test(a) ((a) ? 1 : 0)
#endif
#define BUFFER_CHAR_LEN(blen,wchar) (wchar) ? (blen) / sizeof(SQLWCHAR) : (blen)
#define MADB_FREE(a) do { \
free((a));\
(a)= NULL; \
} while(0)
#define MADB_ALLOC(a) malloc((a))
#define MADB_CALLOC(a) calloc((a) > 0 ? (a) : 1, sizeof(char))
#define MADB_REALLOC(a,b) realloc((a),(b))
#ifdef WIN32
#define MADB_ALLOCA(sz) _alloca((size_t) (sz))
#else
#define MADB_ALLOCA(sz) alloca((size_t) (sz))
#endif
/* If required to free old memory pointed by current ptr, and set new value */
#define MADB_RESET(ptr, newptr) do {\
char *local_new_ptr= (newptr);\
if (local_new_ptr != ptr) {\
free((char*)(ptr));\
if (local_new_ptr != NULL)\
(ptr)= _strdup(local_new_ptr);\
else\
(ptr)= NULL;\
}\
} while(0)
#define MADB_SET_NUM_VAL(TYPE, PTR, VALUE, LENGTHPTR)\
{\
if((PTR))\
*(TYPE *)(PTR)= (VALUE);\
if((LENGTHPTR))\
*(LENGTHPTR)= sizeof(TYPE);\
}
#define MADB_SET_INTVAL(PTR, LEN, INTTYPE, VALUE) \
{\
if((PTR))\
*((INTTYPE *)PTR)= (VALUE); \
LEN=sizeof(INTTYPE);\
}
#define MADB_IS_EMPTY(STR) ((STR)==NULL || *(STR)=='\0')
#define MADB_FRACTIONAL_PART(_decimals) ((_decimals) > 0 ? (_decimals) + 1/*Decimal point*/ : 0)
#endif