163 lines
4.6 KiB
Plaintext
163 lines
4.6 KiB
Plaintext
# Copyright (C) 2009 Sun Microsystems, Inc. All rights reserved.
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# Use is subject to license terms.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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# USA
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query:
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SELECT select_option outer_select_item
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FROM outer_from
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WHERE subquery_expression outer_logical_expr outer_condition_top
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outer_having outer_order_by ;
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outer_logical_expr:
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AND | OR | XOR ;
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outer_select_item:
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OUTR . field_name AS X |
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aggregate_function OUTR . field_name ) AS X;
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aggregate_function:
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AVG( |
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COUNT(DISTINCT | COUNT( |
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MIN( | MIN(DISTINCT |
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MAX( | MAX(DISTINCT |
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STD( | STDDEV_POP( | STDDEV_SAMP( |
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SUM( | SUM(DISTINCT |
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VAR_POP( | VAR_SAMP( | VARIANCE( |
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AVG(DISTINCT ;
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aggregate_function_disabled_unpredictable_value:
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GROUP_CONCAT( | ;
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outer_from:
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outer_table_name AS OUTR |
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outer_table_name AS OUTR2 LEFT JOIN outer_table_name AS OUTR ON ( outer_join_condition );
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outer_join_condition:
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OUTR2 . int_field_name arithmetic_operator OUTR . int_field_name |
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OUTR2 . date_field_name arithmetic_operator OUTR . date_field_name |
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OUTR2 . char_field_name arithmetic_operator OUTR . char_field_name ;
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outer_order_by:
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ORDER BY OUTR . field_name , OUTR . `pk` ;
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outer_group_by:
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| GROUP BY OUTR . field_name ;
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outer_having:
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| HAVING X arithmetic_operator value;
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outer_having_disabled_bug38072:
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| HAVING X arithmetic_operator value ;
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limit:
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| LIMIT digit ;
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select_inner_body:
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FROM inner_from
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WHERE inner_condition_top
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inner_order_by;
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select_inner:
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SELECT select_option inner_select_item
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select_inner_body;
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inner_order_by:
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| ORDER BY INNR . field_name ;
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inner_select_item:
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INNR . int_field_name AS Y ;
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inner_from:
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inner_table_name AS INNR |
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inner_table_name AS INNR2 LEFT JOIN inner_table_name AS INNR ON ( inner_join_condition );
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inner_join_condition:
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INNR2 . int_field_name arithmetic_operator INNR . int_field_name |
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INNR2 . char_field_name arithmetic_operator INNR . char_field_name |
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INNR2 . date_field_name arithmetic_operator INNR . date_field_name ;
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outer_condition_top:
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outer_condition_bottom |
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( outer_condition_bottom logical_operator outer_condition_bottom ) |
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outer_condition_bottom logical_operator outer_condition_bottom ;
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outer_condition_bottom:
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OUTR . expression ;
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expression:
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field_name null_operator |
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int_field_name int_expression |
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date_field_name date_expression |
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char_field_name char_expression ;
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int_expression:
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arithmetic_operator digit ;
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date_expression:
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arithmetic_operator date | BETWEEN date AND date;
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char_expression:
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arithmetic_operator _varchar(1);
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inner_condition_top:
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INNR . expression |
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OUTR . expression |
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inner_condition_bottom logical_operator inner_condition_bottom |
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inner_condition_bottom logical_operator outer_condition_bottom ;
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inner_condition_bottom:
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INNR . expression |
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INNR . int_field_name arithmetic_operator INNR . int_field_name |
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INNR . date_field_name arithmetic_operator INNR . date_field_name |
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INNR . char_field_name arithmetic_operator INNR . char_field_name ;
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null_operator: IS NULL | IS NOT NULL ;
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logical_operator:
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AND | OR | OR NOT | XOR | AND NOT ;
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arithmetic_operator:
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= | > | < | <> | >= | <= ;
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subquery_expression:
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OUTR . int_field_name IN ( SELECT select_option INNR . int_field_name AS Y select_inner_body ) |
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OUTR . char_field_name IN ( SELECT select_option INNR . char_field_name AS Y select_inner_body ) |
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( OUTR . int_field_name , OUTR . int_field_name ) IN ( SELECT select_option INNR . int_field_name AS X , INNR . int_field_name AS Y select_inner_body ) |
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( OUTR . char_field_name , OUTR . char_field_name ) IN ( SELECT select_option INNR . char_field_name AS X , INNR . char_field_name AS Y select_inner_body ) ;
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field_name:
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int_field_name | char_field_name | date_field_name;
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int_field_name:
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`pk` | `col_int_key` | `col_int_nokey` ;
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date_field_name:
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`col_date_key` | `col_date_nokey` | `col_datetime_key` | `col_datetime_nokey` | `col_time_key` | `col_time_nokey` ;
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char_field_name:
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`col_varchar_key` | `col_varchar_nokey` ;
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outer_table_name:
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B | C ;
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inner_table_name:
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BB | CC ;
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value: _digit | _date | _time | _datetime | _varchar(1) | NULL ;
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select_option:
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| DISTINCT ;
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