diff options
Diffstat (limited to 'sql/field.h')
| -rw-r--r-- | sql/field.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/sql/field.h b/sql/field.h index 479a71dfee5..6c6cab1e4f0 100644 --- a/sql/field.h +++ b/sql/field.h @@ -30,6 +30,8 @@ const uint32 max_field_size= (uint32) 4294967295U; class Send_field; class Protocol; class Create_field; +class Relay_log_info; + struct st_cache_field; int field_conv(Field *to,Field *from); @@ -162,7 +164,8 @@ public: table, which is located on disk). */ virtual uint32 pack_length_in_rec() const { return pack_length(); } - virtual int compatible_field_size(uint field_metadata); + virtual int compatible_field_size(uint field_metadata, + const Relay_log_info *); virtual uint pack_length_from_metadata(uint field_metadata) { return field_metadata; } /* @@ -716,7 +719,8 @@ public: uint32 pack_length() const { return (uint32) bin_size; } uint pack_length_from_metadata(uint field_metadata); uint row_pack_length() { return pack_length(); } - int compatible_field_size(uint field_metadata); + int compatible_field_size(uint field_metadata, + const Relay_log_info *rli); uint is_equal(Create_field *new_field); virtual const uchar *unpack(uchar* to, const uchar *from, uint param_data, bool low_byte_first); @@ -1425,7 +1429,14 @@ public: virtual const uchar *unpack(uchar* to, const uchar *from, uint param_data, bool low_byte_first); uint pack_length_from_metadata(uint field_metadata) - { return (field_metadata & 0x00ff); } + { + DBUG_PRINT("debug", ("field_metadata: 0x%04x", field_metadata)); + if (field_metadata == 0) + return row_pack_length(); + return (((field_metadata >> 4) & 0x300) ^ 0x300) + (field_metadata & 0x00ff); + } + int compatible_field_size(uint field_metadata, + const Relay_log_info *rli); uint row_pack_length() { return (field_length + 1); } int pack_cmp(const uchar *a,const uchar *b,uint key_length, my_bool insert_or_update); @@ -1878,7 +1889,8 @@ public: uint pack_length_from_metadata(uint field_metadata); uint row_pack_length() { return (bytes_in_rec + ((bit_len > 0) ? 1 : 0)); } - int compatible_field_size(uint field_metadata); + int compatible_field_size(uint field_metadata, + const Relay_log_info *rli); void sql_type(String &str) const; virtual uchar *pack(uchar *to, const uchar *from, uint max_length, bool low_byte_first); |