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db2i_conversion.cc
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/*
Licensed Materials - Property of IBM
DB2 Storage Engine Enablement
Copyright IBM Corporation 2007,2008
All rights reserved
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
(a) Redistributions of source code must retain this list of conditions, the
copyright notice in section {d} below, and the disclaimer following this
list of conditions.
(b) Redistributions in binary form must reproduce this list of conditions, the
copyright notice in section (d) below, and the disclaimer following this
list of conditions, in the documentation and/or other materials provided
with the distribution.
(c) The name of IBM may not be used to endorse or promote products derived from
this software without specific prior written permission.
(d) The text of the required copyright notice is:
Licensed Materials - Property of IBM
DB2 Storage Engine Enablement
Copyright IBM Corporation 2007,2008
All rights reserved
THIS SOFTWARE IS PROVIDED BY IBM CORPORATION "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL IBM CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
/*
code changes history
$$$ Owner mm/dd/yy Comments
$A1 LiJian 09/15/10 Add zoned decimal support.
*/
#include "db2i_ileBridge.h"
#include "db2i_charsetSupport.h"
#include <ctype.h>
#include "ha_ibmdb2i.h"
#include "db2i_errors.h"
#include <wchar.h>
const char ZERO_DATETIME_VALUE[] = "0000-00-00 00:00:00";
const char ZERO_DATETIME_VALUE_SUBST[] = "0001-01-01 00:00:00";
const char ZERO_DATE_VALUE[] = "0000-00-00";
const char ZERO_DATE_VALUE_SUBST[] = "0001-01-01";
/**
Put a BCD digit into a BCD string.
@param[out] bcdString The BCD string to be modified
@param pos The position within the string to be updated.
@param val The value to be assigned into the string at pos.
*/
static inline void bcdAssign(char* bcdString, uint pos, uint val)
{
bcdString[pos/2] |= val << ((pos % 2) ? 0 : 4);
}
/**
Read a BCD digit from a BCD string.
@param[out] bcdString The BCD string to be read
@param pos The position within the string to be read.
@return bcdGet The value of the BCD digit at pos.
*/
static inline uint bcdGet(const char* bcdString, uint pos)
{
return (bcdString[pos/2] >> ((pos % 2) ? 0 : 4)) & 0xf;
}
//$A1 jian add zoned decimal support
/**
Put a zoned digit into a zoned string.
@param[out] zonedString The zoned string to be modified
@param pos The position within the string to be updated.
@param val The value to be assigned into the string at pos.
*/
static inline void zonedAssign(char* zonedString, uint pos, uint val)
{
zonedString[pos] = (val | 0xF0);
}
//$A1 Jian add zoned decimal support
/**
Read a zoned digit from a zoned string.
@param[out] zonedString The zoned string to be read
@param pos The position within the string to be read.
@return zonedGet The value of the zoned digit at pos.
*/
static inline uint zonedGet(const char* zonedString, uint pos)
{
return (zonedString[pos]) & 0x0f;
}
/**
In-place convert a number in ASCII represenation to EBCDIC representation.
@param string The string of ASCII characters
@param len The length of string
*/
static inline void convertNumericToEbcdicFast(char* string, int len)
{
for (int i = 0; i < len; ++i, ++string)
{
switch(*string)
{
case '-':
*string = 0x60; break;
case ':':
*string = 0x7A; break;
case '.':
*string = 0x4B; break;
default:
DBUG_ASSERT(isdigit(*string));
*string += 0xF0 - '0';
break;
}
}
}
/**
atoi()-like function for a 4-character EBCDIC string.
@param string The EBCDIC string
@return a4toi_ebcdic The decimal value of the EBCDIC string
*/
static inline uint16 a4toi_ebcdic(const uchar* string)
{
return ((string[0]-0xF0) * 1000 +
(string[1]-0xF0) * 100 +
(string[2]-0xF0) * 10 +
(string[3]-0xF0));
};
/**
atoi()-like function for a 4-character EBCDIC string.
@param string The EBCDIC string
@return a4toi_ebcdic The decimal value of the EBCDIC string
*/
static inline uint8 a2toi_ebcdic(const uchar* string)
{
return ((string[0]-0xF0) * 10 +
(string[1]-0xF0));
};
/**
Perform character conversion for textual field data.
*/
int ha_ibmdb2i::convertFieldChars(enum_conversionDirection direction,
uint16 fieldID,
const char* input,
char* output,
size_t ilen,
size_t olen,
size_t* outDataLen,
bool tacitErrors,
size_t* substChars)
{
DBUG_PRINT("ha_ibmdb2i::convertFieldChars",("Direction: %d; length = %d", direction, (int) ilen));
if (unlikely(ilen == 0))
{
if (outDataLen) *outDataLen = 0;
return (0);
}
iconv_t& conversion = db2Table->getConversionDefinition(direction, fieldID);
if (unlikely(conversion == (iconv_t)(-1)))
{
return (DB2I_ERR_UNSUPP_CHARSET);
}
size_t initOLen= olen;
size_t substitutedChars = 0;
int rc = iconv(conversion, (char**)&input, &ilen, &output, &olen, &substitutedChars );
if (outDataLen) *outDataLen = initOLen - olen;
if (substChars) *substChars = substitutedChars;
if (unlikely(rc < 0))
{
int er = errno;
if (er == EILSEQ)
{
if (!tacitErrors) getErrTxt(DB2I_ERR_ILL_CHAR, table->field[fieldID]->field_name);
return (DB2I_ERR_ILL_CHAR);
}
else
{
if (!tacitErrors) getErrTxt(DB2I_ERR_ICONV,er);
return (DB2I_ERR_ICONV);
}
}
if (unlikely(substitutedChars) && (!tacitErrors))
{
warning(ha_thd(), DB2I_ERR_SUB_CHARS, table->field[fieldID]->field_name);
}
return (0);
}
/**
Append the appropriate default value clause onto a CREATE TABLE definition
This was inspired by get_field_default_value in sql/sql_show.cc.
@param field The field whose value is to be obtained
@param statement The string to receive the DEFAULT clause
@param quoteIt Does the data type require single quotes around the value?
@param ccsid The ccsid of the field value (if a string type); 0 if no conversion needed
*/
static void get_field_default_value(Field *field,
String &statement,
bool quoteIt,
uint32 ccsid,
bool substituteZeroDates)
{
if ((field->type() != FIELD_TYPE_BLOB &&
!(field->flags & NO_DEFAULT_VALUE_FLAG) &&
field->unireg_check != Field::NEXT_NUMBER))
{
my_ptrdiff_t old_ptr= (my_ptrdiff_t) (field->table->s->default_values - field->table->record[0]);
field->move_field_offset(old_ptr);
String defaultClause(64);
defaultClause.length(0);
defaultClause.append(" DEFAULT ");
if (!field->is_null())
{
#if MYSQL_VERSION_ID >= 100328
MY_BITMAP *old_map = tmp_use_all_columns(field->table, &field->table->read_set);
#else
my_bitmap_map *old_map = tmp_use_all_columns(field->table, field->table->read_set);
#endif
char tmp[MAX_FIELD_WIDTH];
if (field->real_type() == MYSQL_TYPE_ENUM ||
field->real_type() == MYSQL_TYPE_SET)
{
CHARSET_INFO *cs= &my_charset_bin;
uint len = (uint)(cs->cset->longlong10_to_str)(cs,tmp,sizeof(tmp), 10, field->val_int());
tmp[len]=0;
defaultClause.append(tmp);
}
else
{
String type(tmp, sizeof(tmp), field->charset());
field->val_str(&type);
if (type.length())
{
if (field->type() == MYSQL_TYPE_DATE &&
memcmp(type.ptr(), ZERO_DATE_VALUE, sizeof(ZERO_DATE_VALUE) - 1) == 0)
// memcmp(type.ptr(), STRING_WITH_LEN(ZERO_DATE_VALUE)) == 0)
{
if (substituteZeroDates)
type.set(STRING_WITH_LEN(ZERO_DATE_VALUE_SUBST), field->charset());
else
{
warning(current_thd, DB2I_ERR_WARN_COL_ATTRS, field->field_name);
return;
}
}
else if ((field->type() == MYSQL_TYPE_DATETIME ||
field->type() == MYSQL_TYPE_TIMESTAMP) &&
memcmp(type.ptr(), ZERO_DATETIME_VALUE, sizeof(ZERO_DATETIME_VALUE) - 1) == 0)
// memcmp(type.ptr(), STRING_WITH_LEN(ZERO_DATETIME_VALUE)) == 0)
{
if (substituteZeroDates)
type.set(STRING_WITH_LEN(ZERO_DATETIME_VALUE_SUBST), field->charset());
else
{
warning(current_thd, DB2I_ERR_WARN_COL_ATTRS, field->field_name);
return;
}
}
if (field->type() != MYSQL_TYPE_STRING &&
field->type() != MYSQL_TYPE_VARCHAR &&
field->type() != MYSQL_TYPE_BLOB &&
field->type() != MYSQL_TYPE_BIT)
{
if (quoteIt)
defaultClause.append('\'');
defaultClause.append(type);
if (quoteIt)
defaultClause.append('\'');
}
else
{
int length;
char* out;
// If a ccsid is specified, we need to make sure that the DEFAULT
// string is converted to that encoding.
if (ccsid != 0)
{
iconv_t iconvD;
if (getConversion(toDB2, field->charset(), ccsid, iconvD))
{
warning(current_thd, DB2I_ERR_WARN_COL_ATTRS, field->field_name);
return;
}
size_t ilen = type.length();
size_t olen = 6 * ilen;
size_t origOlen = olen;
const char* in = type.ptr();
const char* tempIn = in;
out = (char*)my_malloc(olen, MYF(MY_WME));
char* tempOut = out;
size_t substitutedChars;
if (iconv(iconvD, (char**)&tempIn, &ilen, &tempOut, &olen, &substitutedChars) == (size_t) -1)
{
warning(current_thd, DB2I_ERR_WARN_COL_ATTRS, field->field_name);
my_free(out);
return;
}
// Now we process the converted string to represent it as
// hexadecimal values.
length = origOlen - olen;
}
else
{
length = type.length();
out = (char*)my_malloc(length*2, MYF(MY_WME));
memcpy(out, (char*)type.ptr(), length);
}
if (length > 16370)
{
warning(current_thd, DB2I_ERR_WARN_COL_ATTRS, field->field_name);
my_free(out);
return;
}
if (ccsid == 1200)
defaultClause.append("ux'");
else if (ccsid == 13488)
defaultClause.append("gx'");
else if (field->charset() == &my_charset_bin)
defaultClause.append("binary(x'");
else
defaultClause.append("x'");
const char hexMap[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
for (int c = length-1; c >= 0; --c)
{
out[c*2+1] = hexMap[out[c] & 0xF];
out[c*2] = hexMap[out[c] >> 4];
}
defaultClause.append(out, length*2);
defaultClause.append('\'');
if (field->charset() == &my_charset_bin)
defaultClause.append(")");
my_free(out);
}
}
else
defaultClause.length(0);
}
#if MYSQL_VERSION_ID >= 100328
tmp_restore_column_map(&field->table->read_set, old_map);
#else
tmp_restore_column_map(field->table->read_set, old_map);
#endif
}
else if (field->maybe_null())
defaultClause.append(STRING_WITH_LEN("NULL"));
if (old_ptr)
field->move_field_offset(-old_ptr);
statement.append(defaultClause);
}
}
/**
Convert a MySQL field definition into its corresponding DB2 type.
The result will be appended to mapping as a DB2 SQL phrase.
@param field The MySQL field to be evaluated
@param[out] mapping The receiver for the DB2 SQL syntax
@param timeFormat The format to be used for mapping the TIME type
*/
int ha_ibmdb2i::getFieldTypeMapping(Field* field,
String& mapping,
enum_TimeFormat timeFormat,
enum_BlobMapping blobMapping,
enum_ZeroDate zeroDateHandling,
bool propagateDefaults,
enum_YearFormat yearFormat)
{
char stringBuildBuffer[257];
uint32 fieldLength;
bool defaultNeedsQuotes = false;
uint16 db2Ccsid = 0;
CHARSET_INFO* fieldCharSet = field->charset();
switch (field->type())
{
case MYSQL_TYPE_NEWDECIMAL:
{
uint precision= ((Field_new_decimal*)field)->precision;
uint scale= field->decimals();
if (precision <= MAX_DEC_PRECISION)
{
sprintf(stringBuildBuffer,"DECIMAL(%d, %d)",precision,scale);
}
else
{
if (scale > precision - MAX_DEC_PRECISION)
{
scale = scale - (precision - MAX_DEC_PRECISION);
precision = MAX_DEC_PRECISION;
sprintf(stringBuildBuffer,"DECIMAL(%d, %d)",precision,scale);
}
else
{
return HA_ERR_UNSUPPORTED;
}
warning(ha_thd(), DB2I_ERR_PRECISION);
}
mapping.append(stringBuildBuffer);
}
break;
case MYSQL_TYPE_TINY:
mapping.append(STRING_WITH_LEN("SMALLINT"));
break;
case MYSQL_TYPE_SHORT:
if (((Field_num*)field)->unsigned_flag)
mapping.append(STRING_WITH_LEN("INT"));
else
mapping.append(STRING_WITH_LEN("SMALLINT"));
break;
case MYSQL_TYPE_LONG:
if (((Field_num*)field)->unsigned_flag)
mapping.append(STRING_WITH_LEN("BIGINT"));
else
mapping.append(STRING_WITH_LEN("INT"));
break;
case MYSQL_TYPE_FLOAT:
mapping.append(STRING_WITH_LEN("REAL"));
break;
case MYSQL_TYPE_DOUBLE:
mapping.append(STRING_WITH_LEN("DOUBLE"));
break;
case MYSQL_TYPE_LONGLONG:
if (((Field_num*)field)->unsigned_flag)
mapping.append(STRING_WITH_LEN("DECIMAL(20,0)"));
else
mapping.append(STRING_WITH_LEN("BIGINT"));
break;
case MYSQL_TYPE_INT24:
mapping.append(STRING_WITH_LEN("INTEGER"));
break;
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_NEWDATE:
mapping.append(STRING_WITH_LEN("DATE"));
defaultNeedsQuotes = true;
break;
case MYSQL_TYPE_TIME:
if (timeFormat == TIME_OF_DAY)
{
mapping.append(STRING_WITH_LEN("TIME"));
defaultNeedsQuotes = true;
}
else
mapping.append(STRING_WITH_LEN("INTEGER"));
break;
case MYSQL_TYPE_DATETIME:
mapping.append(STRING_WITH_LEN("TIMESTAMP"));
defaultNeedsQuotes = true;
break;
case MYSQL_TYPE_TIMESTAMP:
mapping.append(STRING_WITH_LEN("TIMESTAMP"));
defaultNeedsQuotes = true;
break;
case MYSQL_TYPE_YEAR:
if (yearFormat == CHAR4)
{
mapping.append(STRING_WITH_LEN("CHAR(4) CCSID 1208"));
defaultNeedsQuotes = true;
}
else
{
mapping.append(STRING_WITH_LEN("SMALLINT"));
defaultNeedsQuotes = false;
}
break;
case MYSQL_TYPE_BIT:
sprintf(stringBuildBuffer, "BINARY(%d)", (field->max_display_length() / 8) + 1);
mapping.append(stringBuildBuffer);
break;
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_STRING:
{
if (field->real_type() == MYSQL_TYPE_ENUM ||
field->real_type() == MYSQL_TYPE_SET)
{
mapping.append(STRING_WITH_LEN("BIGINT"));
}
else
{
defaultNeedsQuotes = true;
fieldLength = field->max_display_length(); // Get field byte length
if (fieldCharSet == &my_charset_bin)
{
if (field->type() == MYSQL_TYPE_STRING)
{
sprintf(stringBuildBuffer, "BINARY(%u)", std::max(fieldLength, 1u));
}
else
{
if (fieldLength <= MAX_VARCHAR_LENGTH)
{
sprintf(stringBuildBuffer, "VARBINARY(%u)", std::max(fieldLength, 1u));
}
else if (blobMapping == AS_VARCHAR &&
(field->flags & PART_KEY_FLAG))
{
sprintf(stringBuildBuffer, "LONG VARBINARY ");
}
else
{
fieldLength = std::min(MAX_BLOB_LENGTH, fieldLength);
sprintf(stringBuildBuffer, "BLOB(%u)", std::max(fieldLength, 1u));
}
}
mapping.append(stringBuildBuffer);
}
else
{
// single byte ascii encodings map to single byte ebcdic encodings
int32 rc = convertMyCharsetToDb2Ccsid(fieldCharSet);
if (rc < 0) {
return -rc;
}
db2Ccsid = rc;
if (db2Ccsid != 1208 &&
db2Ccsid != 13488)
{
// Check whether there is a character conversion available.
iconv_t temp;
rc = getConversion(toDB2, fieldCharSet, db2Ccsid, temp);
if (unlikely(rc)){
return rc;
}
}
// check if the charsert is utf8
bool is_utf8 = strncmp(fieldCharSet->csname, "utf8", 4) == 0;
// check if the collation us utf8_general_ci or utf8mb4_general_ci
bool is_utf8_general_ci = strcmp(fieldCharSet->name, "utf8_general_ci") == 0 || strcmp(fieldCharSet->name, "utf8mb4_general_ci") == 0;
if (field->type() == MYSQL_TYPE_STRING)
{
if (fieldLength > MAX_CHAR_LENGTH)
return 1;
if (fieldCharSet->mbmaxlen > 1 && (!is_utf8 || is_utf8_general_ci))
{
sprintf(stringBuildBuffer, "GRAPHIC(%u)", std::max(fieldLength / fieldCharSet->mbmaxlen, 1u)); // Number of characters
// Need to set CCSID to 1200 (UTF-16) when using multi-byte charsets
// As well as when the collation is utf*_general_ci because of sort sequence issues
db2Ccsid = 1200;
}
else
{
sprintf(stringBuildBuffer, "CHAR(%u)", std::max(fieldLength, 1u));
}
mapping.append(stringBuildBuffer);
}
else
{
if (fieldLength <= MAX_VARCHAR_LENGTH)
{
if (fieldCharSet->mbmaxlen > 1 && (!is_utf8 || is_utf8_general_ci))
{
sprintf(stringBuildBuffer, "VARGRAPHIC(%u)", std::max(fieldLength / fieldCharSet->mbmaxlen, 1u)); // Number of characters
// Need to set CCSID to 1200 (UTF-16) when using multi-byte charsets
// As well as when the collation is utf*_general_ci because of sort sequence issues
db2Ccsid = 1200;
}
else
{
sprintf(stringBuildBuffer, "VARCHAR(%u)", std::max(fieldLength, 1u));
}
}
else if (blobMapping == AS_VARCHAR &&
(field->flags & PART_KEY_FLAG))
{
if (fieldCharSet->mbmaxlen > 1 && (!is_utf8 || is_utf8_general_ci))
{
sprintf(stringBuildBuffer, "LONG VARGRAPHIC ");
// Need to set CCSID to 1200 (UTF-16) when using multi-byte charsets
// As well as when the collation is utf*_general_ci because of sort sequence issues
db2Ccsid = 1200;
}
else
{
sprintf(stringBuildBuffer, "LONG VARCHAR ");
}
}
else
{
fieldLength = std::min(MAX_BLOB_LENGTH, fieldLength);
if (fieldCharSet->mbmaxlen > 1 && (!is_utf8 || is_utf8_general_ci))
{
sprintf(stringBuildBuffer, "DBCLOB(%u)", std::max(fieldLength / fieldCharSet->mbmaxlen,1u)); // Number of characters
// Need to set CCSID to 1200 (UTF-16) when using multi-byte charsets
// As well as when the collation is utf*_general_ci because of sort sequence issues
db2Ccsid = 1200;
}
else
{
sprintf(stringBuildBuffer, "CLOB(%u)", std::max(fieldLength, 1u)); // Number of characters
}
}
mapping.append(stringBuildBuffer);
}
sprintf(stringBuildBuffer, " CCSID %d ", db2Ccsid);
mapping.append(stringBuildBuffer);
}
}
}
break;
default:
DBUG_ASSERT(0);
break;
}
if (propagateDefaults)
get_field_default_value(field,
mapping,
defaultNeedsQuotes,
db2Ccsid,
(zeroDateHandling==SUBSTITUTE_0001_01_01));
return 0;
}
/**
Convert MySQL field data into the equivalent DB2 format
@param field The MySQL field to be converted
@param db2Field The corresponding DB2 field definition
@param db2Buf The buffer to receive the converted data
@param data NULL if field points to the correct data; otherwise,
the data to be converted (for use with keys)
*/
int32 ha_ibmdb2i::convertMySQLtoDB2(Field* field, const DB2Field& db2Field, char* db2Buf, const uchar* data)
{
enum_field_types fieldType = field->type();
switch (fieldType)
{
// DECIMAL, NUMERIC, DEC, FIXED
case MYSQL_TYPE_NEWDECIMAL:
{
uint precision= ((Field_new_decimal*)field)->precision;
uint scale= field->decimals();
uint db2Precision = std::min(precision, MAX_DEC_PRECISION);
uint truncationAmount = precision - db2Precision;
if (scale >= truncationAmount)
{
String tempString(precision+2);
if (data == NULL)
{
field->val_str((String*)&tempString, (String*)(NULL));
}
else
{
field->val_str(&tempString, data);
}
const char* temp = tempString.ptr();
if(db2Field.getType() == QMY_PACKED) { //$A1
char packed[32];
memset(&packed, 0, sizeof(packed));
int bcdPos = db2Precision - (db2Precision % 2 ? 1 : 0);
bcdAssign(packed, bcdPos+1, (temp[0] == '-' ? 0xD : 0xF));
int strPos=tempString.length() - 1 - truncationAmount;
for (;strPos >= 0 && bcdPos >= 0; strPos--)
{
if (my_isdigit(&my_charset_latin1, temp[strPos]))
{
bcdAssign(packed, bcdPos, temp[strPos]-'0');
--bcdPos;
}
}
memcpy(db2Buf, &packed, (db2Precision/2)+1);
}else if(db2Field.getType() == QMY_ZONED){
char zoned[63];
memset(&zoned, 0, sizeof(zoned));
int zonedPos = db2Precision-1;
int strPos=tempString.length() - 1 - truncationAmount;
for (;strPos >= 0 && zonedPos >= 0; strPos--)
{
if (my_isdigit(&my_charset_latin1, temp[strPos]))
{
zonedAssign(zoned, zonedPos, temp[strPos]-'0');
--zonedPos;
}
}
zoned[db2Precision-1] &= (temp[0] == '-' ? 0xDF : 0xFF);
memcpy(db2Buf, &zoned, db2Precision);
}
}
}
break;
// TINYINT or TINYINT UNSIGNED or BOOLEAN
case MYSQL_TYPE_TINY:
{
int16 temp = (data == NULL ? field->val_int() : field->val_int(data));
memcpy(db2Buf , &temp, sizeof(temp));
}
break;
// SMALLINT or SMALLINT UNSIGNED
case MYSQL_TYPE_SHORT:
{
// IBM i not support type unsigned, use bigger int
if (((Field_num*)field)->unsigned_flag)
{
// maria passes little endian, store convert to big endian
db2i_beint32_from_ptr2leuint16(*(int32*)db2Buf,(data == NULL ? field->ptr : data));
//memset(db2Buf, 0, 2);
//memcpy(db2Buf+2, (data == NULL ? field->ptr : data), 2);
}
else
{
// maria passes little endian, store convert to big endian
db2i_beint16_from_ptr2leint16(*(int16*)db2Buf,(data == NULL ? field->ptr : data));
//memcpy(db2Buf, (data == NULL ? field->ptr : data), 2);
}
}
break;
// INT or INT UNSIGNED
case MYSQL_TYPE_LONG:
{
// IBM i not support type unsigned, use bigger int
if (((Field_num*)field)->unsigned_flag)
{
// maria passes little endian, store convert to big endian
db2i_beint64_from_ptr2leuint32(*(int64*)db2Buf,(data == NULL ? field->ptr : data));
//memset(db2Buf, 0, 4);
//memcpy(db2Buf+4, (data == NULL ? field->ptr : data), 4);
}
else
{
// maria passes little endian, store convert to big endian
db2i_beint32_from_ptr2leint32(*(int32*)db2Buf,(data == NULL ? field->ptr : data));
//memcpy(db2Buf, (data == NULL ? field->ptr : data), 4);
}
}
break;
// FLOAT
case MYSQL_TYPE_FLOAT:
{
// maria passes little endian, store convert to big endian
db2i_befloat4_from_ptr2lefloat4(*(float *)db2Buf,(data == NULL ? field->ptr : data));
//memcpy(db2Buf, (data == NULL ? field->ptr : data), 4);
}
break;
// DOUBLE or DOUBLE PRECISION
case MYSQL_TYPE_DOUBLE:
{
// maria passes little endian, store convert to big endian
db2i_befloat8_from_ptr2lefloat8(*(double *)db2Buf,(data == NULL ? field->ptr : data));
//memcpy(db2Buf, (data == NULL ? field->ptr : data), 8);
}
break;
// DATETIME or TIMESTAMP
case MYSQL_TYPE_TIMESTAMP:
case MYSQL_TYPE_DATETIME:
{
String tempString(27);
if (data == NULL)
{
field->val_str(&tempString, &tempString);
}
else
{
field->val_str(&tempString, data);
}
memset(db2Buf, '0', 26);
memcpy(db2Buf, tempString.ptr(), tempString.length());
if (strncmp(db2Buf,ZERO_DATETIME_VALUE,strlen(ZERO_DATETIME_VALUE)) == 0)
{
if (cachedZeroDateOption == SUBSTITUTE_0001_01_01)
memcpy(db2Buf, ZERO_DATETIME_VALUE_SUBST, sizeof(ZERO_DATETIME_VALUE_SUBST));
else
{
getErrTxt(DB2I_ERR_INVALID_COL_VALUE, field->field_name);
return(DB2I_ERR_INVALID_COL_VALUE);
}
}
(db2Buf)[10] = '-';
(db2Buf)[13] = (db2Buf)[16] = (db2Buf)[19] = '.';
convertNumericToEbcdicFast(db2Buf, 26);
}
break;
// BIGINT or BIGINT UNSIGNED
case MYSQL_TYPE_LONGLONG:
{
// IBM i not support type unsigned, use bigger int
if (((Field_num*)field)->unsigned_flag)
{
char temp[23];
String tempString(temp, sizeof(temp), &my_charset_latin1);
if (data == NULL)
{
field->val_str((String*)&tempString, (String*)(NULL));
}
else
{
field->val_str(&tempString, data);
}
char packed[11];
memset(packed, 0, sizeof(packed));
bcdAssign(packed, 21, (temp[0] == '-' ? 0xD : 0xF));
int strPos=tempString.length()-1;
int bcdPos=20;
for (;strPos >= 0; strPos--)
{
if (my_isdigit(&my_charset_latin1, temp[strPos]))
{
bcdAssign(packed, bcdPos, temp[strPos]-'0');
--bcdPos;
}
}
memcpy(db2Buf, &packed, 11);
}
else
{
// maria passes little endian, store convert to big endian
db2i_beint64_from_ptr2leint64(*(int64*)db2Buf, (data == NULL ? field->ptr : data));
// *(uint64*)db2Buf = *(uint64*)(data == NULL ? field->ptr : data);
}
}
break;
// MEDIUMINT or MEDIUMINT UNSIGNED
case MYSQL_TYPE_INT24:
{
// IBM i not support type unsigned, use bigger int
if (((Field_num*)field)->unsigned_flag)
{
int32 temp = 0;
db2i_beint32_from_ptr2leuint24(*(int32*)&temp, (data == NULL ? field->ptr : data));
if (temp > 16777215)
{
temp = 16777215;
}
else if (temp < 0)
{
temp = 0;
}
*(int32*)db2Buf = temp;
}
else
{
int32 temp = 0;
db2i_beint32_from_ptr2leuint24(*(int32*)&temp, (data == NULL ? field->ptr : data));
if ((uint32)temp > (uint32)0x007FFFFF)
{
temp = (int32)((uint32)temp | (uint32)0xFF000000);
if (temp < -8388608)
{
temp = -8388608;
}
}
else
{
temp = (int32)((uint32)temp & (uint32)0x007FFFFF);
}
*(int32*)db2Buf = temp;
}
//int32 temp= (data == NULL ? field->val_int() : field->val_int(data));
//memcpy(db2Buf , &temp, sizeof(temp));
}
break;
// DATE
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_NEWDATE:
{
String tempString(11);
if (data == NULL)
{
field->val_str(&tempString, (String*)NULL);
}
else
{
field->val_str(&tempString, data);
}
memcpy(db2Buf, tempString.ptr(), 10);
if (strncmp(db2Buf,ZERO_DATE_VALUE,strlen(ZERO_DATE_VALUE)) == 0)
{
if (cachedZeroDateOption == SUBSTITUTE_0001_01_01)
memcpy(db2Buf, ZERO_DATE_VALUE_SUBST, sizeof(ZERO_DATE_VALUE_SUBST));
else
{
getErrTxt(DB2I_ERR_INVALID_COL_VALUE,field->field_name);
return(DB2I_ERR_INVALID_COL_VALUE);
}
}
convertNumericToEbcdicFast(db2Buf,10);
}
break;
// TIME
case MYSQL_TYPE_TIME:
{
if (db2Field.getType() == QMY_TIME)
{
String tempString(10);
if (data == NULL)
{
field->val_str(&tempString, (String*)NULL);
}
else
{
field->val_str(&tempString, data);
}
memcpy(db2Buf, tempString.ptr(), 8);
(db2Buf)[2]=(db2Buf)[5] = '.';
convertNumericToEbcdicFast(db2Buf, 8);
}
else
{
int32 temp = sint3korr(data == NULL ? field->ptr : data);
memcpy(db2Buf, &temp, sizeof(temp));
}
}
break;
// YEAR
case MYSQL_TYPE_YEAR:
{
String tempString(5);
if (db2Field.getType() == QMY_CHAR)
{
if (data == NULL)
{
field->val_str(&tempString, (String*)NULL);
}
else
{
field->val_str(&tempString, data);
}
memcpy(db2Buf, tempString.ptr(), 4);
}
else
{
uint8 temp = *(uint8*)(data == NULL ? field->ptr : data);
*(uint16*)(db2Buf) = (temp ? temp + 1900 : 0);
}
}
break;
// BIT