diff options
Diffstat (limited to 'sql/field.cc')
| -rw-r--r-- | sql/field.cc | 92 |
1 files changed, 69 insertions, 23 deletions
diff --git a/sql/field.cc b/sql/field.cc index 26f3e0452c8..e6caaf947b1 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -1,4 +1,4 @@ -/* Copyright (c) 2000, 2010 Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -11,8 +11,7 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /** @file @@ -2615,7 +2614,7 @@ bool Field_new_decimal::store_value(const my_decimal *decimal_value) DBUG_ENTER("Field_new_decimal::store_value"); #ifndef DBUG_OFF { - char dbug_buff[DECIMAL_MAX_STR_LENGTH+1]; + char dbug_buff[DECIMAL_MAX_STR_LENGTH+2]; DBUG_PRINT("enter", ("value: %s", dbug_decimal_as_string(dbug_buff, decimal_value))); } #endif @@ -2630,7 +2629,7 @@ bool Field_new_decimal::store_value(const my_decimal *decimal_value) } #ifndef DBUG_OFF { - char dbug_buff[DECIMAL_MAX_STR_LENGTH+1]; + char dbug_buff[DECIMAL_MAX_STR_LENGTH+2]; DBUG_PRINT("info", ("saving with precision %d scale: %d value %s", (int)precision, (int)dec, dbug_decimal_as_string(dbug_buff, decimal_value))); @@ -2699,7 +2698,7 @@ int Field_new_decimal::store(const char *from, uint length, } #ifndef DBUG_OFF - char dbug_buff[DECIMAL_MAX_STR_LENGTH+1]; + char dbug_buff[DECIMAL_MAX_STR_LENGTH+2]; DBUG_PRINT("enter", ("value: %s", dbug_decimal_as_string(dbug_buff, &decimal_value))); #endif @@ -4196,7 +4195,7 @@ String *Field_float::val_str(String *val_buffer, String *val_ptr __attribute__((unused))) { ASSERT_COLUMN_MARKED_FOR_READ; - DBUG_ASSERT(field_length <= MAX_FIELD_CHARLENGTH); + DBUG_ASSERT(!zerofill || field_length <= MAX_FIELD_CHARLENGTH); float nr; #ifdef WORDS_BIGENDIAN if (table->s->db_low_byte_first) @@ -4519,7 +4518,7 @@ String *Field_double::val_str(String *val_buffer, String *val_ptr __attribute__((unused))) { ASSERT_COLUMN_MARKED_FOR_READ; - DBUG_ASSERT(field_length <= MAX_FIELD_CHARLENGTH); + DBUG_ASSERT(!zerofill || field_length <= MAX_FIELD_CHARLENGTH); double nr; #ifdef WORDS_BIGENDIAN if (table->s->db_low_byte_first) @@ -5389,6 +5388,7 @@ double Field_year::val_real(void) longlong Field_year::val_int(void) { ASSERT_COLUMN_MARKED_FOR_READ; + DBUG_ASSERT(field_length == 2 || field_length == 4); int tmp= (int) ptr[0]; if (field_length != 4) tmp%=100; // Return last 2 char @@ -5401,6 +5401,7 @@ longlong Field_year::val_int(void) String *Field_year::val_str(String *val_buffer, String *val_ptr __attribute__((unused))) { + DBUG_ASSERT(field_length < 5); val_buffer->alloc(5); val_buffer->length(field_length); char *to=(char*) val_buffer->ptr(); @@ -6334,10 +6335,13 @@ int Field_str::store(double nr) ASSERT_COLUMN_MARKED_FOR_WRITE_OR_COMPUTED; char buff[DOUBLE_TO_STRING_CONVERSION_BUFFER_SIZE]; uint local_char_length= field_length / charset()->mbmaxlen; - size_t length; - my_bool error; + size_t length= 0; + my_bool error= (local_char_length == 0); + + // my_gcvt() requires width > 0, and we may have a CHAR(0) column. + if (!error) + length= my_gcvt(nr, MY_GCVT_ARG_DOUBLE, local_char_length, buff, &error); - length= my_gcvt(nr, MY_GCVT_ARG_DOUBLE, local_char_length, buff, &error); if (error) { if (table->in_use->abort_on_warning) @@ -7731,12 +7735,6 @@ void Field_blob::sql_type(String &res) const uchar *Field_blob::pack(uchar *to, const uchar *from, uint max_length, bool low_byte_first) { - DBUG_ENTER("Field_blob::pack"); - DBUG_PRINT("enter", ("to: 0x%lx; from: 0x%lx;" - " max_length: %u; low_byte_first: %d", - (ulong) to, (ulong) from, - max_length, low_byte_first)); - DBUG_DUMP("record", from, table->s->reclength); uchar *save= ptr; ptr= (uchar*) from; uint32 length=get_length(); // Length of from string @@ -7757,8 +7755,7 @@ uchar *Field_blob::pack(uchar *to, const uchar *from, memcpy(to+packlength, from,length); } ptr=save; // Restore org row pointer - DBUG_DUMP("packed", to, packlength + length); - DBUG_RETURN(to+packlength+length); + return to+packlength+length; } @@ -8402,6 +8399,54 @@ uint Field_enum::is_equal(Create_field *new_field) } +uchar *Field_enum::pack(uchar *to, const uchar *from, + uint max_length, bool low_byte_first) +{ + DBUG_ENTER("Field_enum::pack"); + DBUG_PRINT("debug", ("packlength: %d", packlength)); + DBUG_DUMP("from", from, packlength); + + switch (packlength) + { + case 1: + *to = *from; + DBUG_RETURN(to + 1); + case 2: DBUG_RETURN(pack_int16(to, from, low_byte_first)); + case 3: DBUG_RETURN(pack_int24(to, from, low_byte_first)); + case 4: DBUG_RETURN(pack_int32(to, from, low_byte_first)); + case 8: DBUG_RETURN(pack_int64(to, from, low_byte_first)); + default: + DBUG_ASSERT(0); + } + MY_ASSERT_UNREACHABLE(); + DBUG_RETURN(NULL); +} + +const uchar *Field_enum::unpack(uchar *to, const uchar *from, + uint param_data, bool low_byte_first) +{ + DBUG_ENTER("Field_enum::unpack"); + DBUG_PRINT("debug", ("packlength: %d", packlength)); + DBUG_DUMP("from", from, packlength); + + switch (packlength) + { + case 1: + *to = *from; + DBUG_RETURN(from + 1); + + case 2: DBUG_RETURN(unpack_int16(to, from, low_byte_first)); + case 3: DBUG_RETURN(unpack_int24(to, from, low_byte_first)); + case 4: DBUG_RETURN(unpack_int32(to, from, low_byte_first)); + case 8: DBUG_RETURN(unpack_int64(to, from, low_byte_first)); + default: + DBUG_ASSERT(0); + } + MY_ASSERT_UNREACHABLE(); + DBUG_RETURN(NULL); +} + + /** @return returns 1 if the fields are equally defined @@ -9037,6 +9082,7 @@ void Create_field::create_length_to_internal_length(void) case MYSQL_TYPE_MEDIUM_BLOB: case MYSQL_TYPE_LONG_BLOB: case MYSQL_TYPE_BLOB: + case MYSQL_TYPE_GEOMETRY: case MYSQL_TYPE_VAR_STRING: case MYSQL_TYPE_STRING: case MYSQL_TYPE_VARCHAR: @@ -9236,7 +9282,7 @@ bool Create_field::init(THD *thd, char *fld_name, enum_field_types fld_type, if (decimals >= NOT_FIXED_DEC) { my_error(ER_TOO_BIG_SCALE, MYF(0), decimals, fld_name, - NOT_FIXED_DEC-1); + static_cast<ulong>(NOT_FIXED_DEC - 1)); DBUG_RETURN(TRUE); } @@ -9333,8 +9379,8 @@ bool Create_field::init(THD *thd, char *fld_name, enum_field_types fld_type, my_decimal_trim(&length, &decimals); if (length > DECIMAL_MAX_PRECISION) { - my_error(ER_TOO_BIG_PRECISION, MYF(0), length, fld_name, - DECIMAL_MAX_PRECISION); + my_error(ER_TOO_BIG_PRECISION, MYF(0), static_cast<int>(length), + fld_name, static_cast<ulong>(DECIMAL_MAX_PRECISION)); DBUG_RETURN(TRUE); } if (length < decimals) @@ -9558,7 +9604,7 @@ bool Create_field::init(THD *thd, char *fld_name, enum_field_types fld_type, if (length > MAX_BIT_FIELD_LENGTH) { my_error(ER_TOO_BIG_DISPLAYWIDTH, MYF(0), fld_name, - MAX_BIT_FIELD_LENGTH); + static_cast<ulong>(MAX_BIT_FIELD_LENGTH)); DBUG_RETURN(TRUE); } pack_length= (length + 7) / 8; |