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/*
Copyright (c) 2019, MariaDB Corporation
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
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <my_global.h>
#include <sql_class.h> // THD
#include <mysql/plugin_data_type.h>
#include "sql_type.h"
class Type_collection_test: public Type_collection
{
protected:
const Type_handler *aggregate_common(const Type_handler *h1,
const Type_handler *h2) const;
public:
const Type_handler *handler_by_name(const LEX_CSTRING &name) const override
{
return NULL;
}
const Type_handler *aggregate_for_result(const Type_handler *h1,
const Type_handler *h2)
const override;
const Type_handler *aggregate_for_comparison(const Type_handler *h1,
const Type_handler *h2)
const override;
const Type_handler *aggregate_for_min_max(const Type_handler *h1,
const Type_handler *h2)
const override;
const Type_handler *aggregate_for_num_op(const Type_handler *h1,
const Type_handler *h2)
const override;
};
static Type_collection_test type_collection_test;
class Field_test_int8 :public Field_longlong
{
public:
Field_test_int8(const LEX_CSTRING &name, const Record_addr &addr,
enum utype unireg_check_arg,
uint32 len_arg, bool zero_arg, bool unsigned_arg)
:Field_longlong(addr.ptr(), len_arg, addr.null_ptr(), addr.null_bit(),
Field::NONE, &name, zero_arg, unsigned_arg)
{}
const Type_handler *type_handler() const override;
};
class Type_handler_test_int8: public Type_handler_longlong
{
public:
const Type_collection *type_collection() const override
{
return &type_collection_test;
}
const Type_handler *type_handler_signed() const override
{
return this;
}
Field *make_table_field_from_def(TABLE_SHARE *share, MEM_ROOT *root,
const LEX_CSTRING *name,
const Record_addr &rec, const Bit_addr &bit,
const Column_definition_attributes *attr,
uint32 flags) const override
{
return new (root)
Field_test_int8(*name, rec, attr->unireg_check,
(uint32) attr->length,
f_is_zerofill(attr->pack_flag) != 0,
f_is_dec(attr->pack_flag) == 0);
}
};
static Type_handler_test_int8 type_handler_test_int8;
const Type_handler *Field_test_int8::type_handler() const
{
return &type_handler_test_int8;
}
static struct st_mariadb_data_type plugin_descriptor_type_test_int8=
{
MariaDB_DATA_TYPE_INTERFACE_VERSION,
&type_handler_test_int8
};
/*************************************************************************/
class Field_test_double :public Field_double
{
public:
Field_test_double(const LEX_CSTRING &name, const Record_addr &addr,
enum utype unireg_check_arg,
uint32 len_arg, uint8 dec_arg,
bool zero_arg, bool unsigned_arg)
:Field_double(addr.ptr(), len_arg, addr.null_ptr(), addr.null_bit(),
Field::NONE, &name, dec_arg, zero_arg, unsigned_arg)
{}
const Type_handler *type_handler() const override;
};
class Type_handler_test_double: public Type_handler_double
{
public:
const Type_collection *type_collection() const override
{
return &type_collection_test;
}
const Type_handler *type_handler_signed() const override
{
return this;
}
bool Column_definition_data_type_info_image(Binary_string *to,
const Column_definition &def)
const override
{
return to->append(Type_handler_test_double::name().lex_cstring());
}
Field *make_table_field_from_def(TABLE_SHARE *share, MEM_ROOT *root,
const LEX_CSTRING *name,
const Record_addr &rec, const Bit_addr &bit,
const Column_definition_attributes *attr,
uint32 flags) const override
{
return new (root)
Field_test_double(*name, rec, attr->unireg_check,
(uint32) attr->length, (uint8) attr->decimals,
f_is_zerofill(attr->pack_flag) != 0,
f_is_dec(attr->pack_flag) == 0);
}
};
static Type_handler_test_double type_handler_test_double;
const Type_handler *Field_test_double::type_handler() const
{
return &type_handler_test_double;
}
static struct st_mariadb_data_type plugin_descriptor_type_test_double=
{
MariaDB_DATA_TYPE_INTERFACE_VERSION,
&type_handler_test_double
};
/*************************************************************************/
const Type_handler *
Type_collection_test::aggregate_common(const Type_handler *h1,
const Type_handler *h2) const
{
if (h1 == h2)
return h1;
static const Type_aggregator::Pair agg[]=
{
{
&type_handler_slong,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_newdecimal,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_double,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_slong,
&type_handler_test_int8,
&type_handler_test_int8
},
{
&type_handler_newdecimal,
&type_handler_test_int8,
&type_handler_newdecimal
},
{
&type_handler_double,
&type_handler_test_int8,
&type_handler_double
},
{
&type_handler_stiny,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_sshort,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_sint24,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_slonglong,
&type_handler_test_double,
&type_handler_test_double
},
{
&type_handler_stiny,
&type_handler_test_int8,
&type_handler_test_int8
},
{
&type_handler_sshort,
&type_handler_test_int8,
&type_handler_test_int8
},
{
&type_handler_sint24,
&type_handler_test_int8,
&type_handler_test_int8
},
{
&type_handler_slonglong,
&type_handler_test_int8,
&type_handler_test_int8
},
{NULL,NULL,NULL}
};
return Type_aggregator::find_handler_in_array(agg, h1, h2, true);
}
const Type_handler *
Type_collection_test::aggregate_for_result(const Type_handler *h1,
const Type_handler *h2) const
{
return aggregate_common(h1, h2);
}
const Type_handler *
Type_collection_test::aggregate_for_min_max(const Type_handler *h1,
const Type_handler *h2) const
{
return aggregate_common(h1, h2);
}
const Type_handler *
Type_collection_test::aggregate_for_num_op(const Type_handler *h1,
const Type_handler *h2) const
{
return aggregate_common(h1, h2);
}
const Type_handler *
Type_collection_test::aggregate_for_comparison(const Type_handler *h1,
const Type_handler *h2) const
{
DBUG_ASSERT(h1 == h1->type_handler_for_comparison());
DBUG_ASSERT(h2 == h2->type_handler_for_comparison());
return aggregate_common(h1, h2);
}
/*************************************************************************/
maria_declare_plugin(type_test)
{
MariaDB_DATA_TYPE_PLUGIN, // the plugin type (see include/mysql/plugin.h)
&plugin_descriptor_type_test_int8, // pointer to type-specific plugin descriptor
"test_int8", // plugin name
"MariaDB Corporation", // plugin author
"Data type TEST_INT8", // the plugin description
PLUGIN_LICENSE_GPL, // the plugin license (see include/mysql/plugin.h)
0, // Pointer to plugin initialization function
0, // Pointer to plugin deinitialization function
0x0100, // Numeric version 0xAABB means AA.BB version
NULL, // Status variables
NULL, // System variables
"1.0", // String version representation
MariaDB_PLUGIN_MATURITY_EXPERIMENTAL // Maturity(see include/mysql/plugin.h)*/
},
{
MariaDB_DATA_TYPE_PLUGIN, // the plugin type (see include/mysql/plugin.h)
&plugin_descriptor_type_test_double, // pointer to type-specific plugin descriptor
"test_double", // plugin name
"MariaDB Corporation", // plugin author
"Data type TEST_DOUBLE", // the plugin description
PLUGIN_LICENSE_GPL, // the plugin license (see include/mysql/plugin.h)
0, // Pointer to plugin initialization function
0, // Pointer to plugin deinitialization function
0x0100, // Numeric version 0xAABB means AA.BB version
NULL, // Status variables
NULL, // System variables
"1.0", // String version representation
MariaDB_PLUGIN_MATURITY_EXPERIMENTAL // Maturity(see include/mysql/plugin.h)*/
}
maria_declare_plugin_end;
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