net.jkcode.jkmvc.query

类 DbQueryBuilder

IDbQuery

IDbQueryBuilder

DbQueryBuilderQuoter

DbQueryBuilderAction

DbQueryBuilderDecoration

net.jkcode.jkmvc.query.DbQueryBuilder

所有已实现的接口:

IDbQueryBuilderAction, IDbQueryBuilderDecoration, IDbQueryBuilderQuoter

直接已知子类:

OrmQueryBuilder

public class DbQueryBuilder
extends DbQueryBuilderDecoration

sql构建器 依次继承 DbQueryBuilderAction 处理动作子句 + DbQueryBuilderDecoration 处理修饰子句 提供select/where等类sql的方法, 但是调用方法时, 不直接拼接sql, 而是在compile()时才延迟拼接sql, 因为调用方法时元素可以无序, 但生成sql时元素必须有序

嵌套类概要

从类继承的嵌套类/接口 net.jkcode.jkmvc.query.DbQueryBuilderDecoration

DbQueryBuilderDecoration.Companion

从接口继承的嵌套类/接口 net.jkcode.jkmvc.query.IDbQueryBuilderQuoter

IDbQueryBuilderQuoter.DefaultImpls

从接口继承的嵌套类/接口 net.jkcode.jkmvc.query.IDbQueryBuilderAction

IDbQueryBuilderAction.DefaultImpls

从接口继承的嵌套类/接口 net.jkcode.jkmvc.query.IDbQueryBuilderDecoration

IDbQueryBuilderDecoration.DefaultImpls

字段概要

从类继承的字段 net.jkcode.jkmvc.query.DbQueryBuilderDecoration

Companion

构造器概要

构造器

构造器和说明
DbQueryBuilder(IDb defaultDb) sql构建器 依次继承 DbQueryBuilderAction 处理动作子句 + DbQueryBuilderDecoration 处理修饰子句 提供select/where等类sql的方法, 但是调用方法时, 不直接拼接sql, 而是在compile()时才延迟拼接sql, 因为调用方法时元素可以无序, 但生成sql时元素必须有序
DbQueryBuilder() sql构建器 依次继承 DbQueryBuilderAction 处理动作子句 + DbQueryBuilderDecoration 处理修饰子句 提供select/where等类sql的方法, 但是调用方法时, 不直接拼接sql, 而是在compile()时才延迟拼接sql, 因为调用方法时元素可以无序, 但生成sql时元素必须有序
DbQueryBuilder(java.lang.String table, java.lang.String sort, java.lang.Boolean desc, java.lang.Integer start, java.lang.Integer rows, IDb defaultDb) 获得sql查询构建器
DbQueryBuilder(java.lang.String table, java.lang.String condition, java.util.List<?> params, java.lang.String sort, java.lang.Boolean desc, java.lang.Integer start, java.lang.Integer rows, IDb defaultDb) 获得sql查询构建器

方法概要

限定符和类型	方法和说明
int[]	batchExecute(SqlAction action, java.util.List<? extends java.lang.Object> paramses, IDb db) 批量更新有参数的sql
CompiledSql	compile(SqlAction action, IDb db, boolean clone) 编译sql
int	count(java.util.List<?> params, IDb db) 统计行数： count语句
long	execute(SqlAction action, java.util.List<? extends java.lang.Object> params, java.lang.String generatedColumn, IDb db) 编译 + 执行
<T> java.util.List<T>	fastFindPageBySubquery(int limit, int offset, java.lang.String idField, boolean whereOnlyIds, java.util.List<?> params, IDb db, kotlin.jvm.functions.Function1<? super net.jkcode.jkmvc.db.DbResultRow,? extends T> transform) 通过select id子查询来加快分页查询
<T> T	findResult(java.util.List<?> params, boolean single, IDb db, kotlin.jvm.functions.Function1<? super net.jkcode.jkmvc.db.DbResultSet,? extends T> transform) 查找结果： select 语句
IDb	getDefaultDb() 默认db名
boolean	incr(java.lang.String column, int step, java.util.List<?> params, IDb db) 自增
int	sum(java.lang.String column, java.util.List<?> params, IDb db) 加总列值： sum语句

从类继承的方法 net.jkcode.jkmvc.query.DbQueryBuilderDecoration

andHaving, andHavingClose, andHavingCondition, andHavingOpen, andWhere, andWhereClose, andWhereCondition, andWhereOpen, clear, clone, compileDecoration, compileLimit, forUpdate, getForUpdate, getGroupByClause, getHavingClause, getLimitParams, getOrderByClause, getParts, getWhereClause, groupBy, having, limit, orHaving, orHaving, orHavingClose, orHavingCondition, orHavingOpen, orWhere, orWhere, orWhereClose, orWhereCondition, orWhereExists, orWhereOpen, orderBy, prepareOperator, setForUpdate, setLimitParams, trySplitColumn, trySplitInParams, trySplitWhere, whav, whavClose, whavOpen, where, whereExists

从类继承的方法 net.jkcode.jkmvc.query.DbQueryBuilderAction

clear, clone, compileAction, copy, distinct, fillDelTables, from, getAction, getDistinct, getInsertRows, getJoinParts, getJoinTables, getManipulatedData, getSelectColumns, getTable, getTableAlias, getUpdateRow, insertColumns, join, on, on, select, select, selects, set, set, setAction, setDistinct, setTable, sets, splitOperator, value, value, values

从类继承的方法 net.jkcode.jkmvc.query.DbQueryBuilderQuoter

clear, clone, getCompiledSql, quoteSingleValue, quoteSubQuery, setCompiledSql

从类继承的方法 net.jkcode.jkmvc.query.IDbQueryBuilder

andWhereWrap, batchDelete, batchExecute, batchInsert, batchUpdate, charAt, clone, compile, compileCount, compileDelete, compileInsert, compileSelect, compileSelectOne, compileUpdate, copy, count, delete, execute, fastFindPageBySubquery, fastFindPageMaps, from, from, get, getLength, groupBys, groupBys, having, havingClose, havingCondition, havingOpen, havings, incr, insert, length, ons, orWhereBetween, orWhereLike, orWhereWrap, orderBy, orderBys, orderBys, quote, quoteColumn, quoteColumnOrValue, quoteTable, selectDistinct, subSequence, sum, table, update, where, whereBetween, whereClose, whereCondition, whereLike, whereOpen, whereWrap, wheres, wheres

从类继承的方法 net.jkcode.jkmvc.query.IDbQuery

clone, findColumn, findEntities, findEntities, findEntities, findEntity, findEntity, findEntity, findMap, findMaps, findModel, findModel, findModel, findModels, findModels, findModels, findResult, findRow, findRows, findValue, getDefaultDb

从接口继承的方法 net.jkcode.jkmvc.query.IDbQueryBuilderQuoter

quote, quoteColumn, quoteColumnOrValue, quoteSingleValue, quoteSubQuery, quoteTable

从接口继承的方法 net.jkcode.jkmvc.query.IDbQueryBuilderAction

clear, compileAction, distinct, from, from, from, getTableAlias, insertColumns, join, on, on, ons, select, select, selectDistinct, selects, set, set, sets, table, value, value, values

从接口继承的方法 net.jkcode.jkmvc.query.IDbQueryBuilderDecoration

andHaving, andHavingClose, andHavingCondition, andHavingOpen, andWhere, andWhereClose, andWhereCondition, andWhereOpen, andWhereWrap, compileDecoration, forUpdate, groupBy, groupBys, groupBys, having, having, havingClose, havingCondition, havingOpen, havings, limit, orHaving, orHaving, orHavingClose, orHavingCondition, orHavingOpen, orWhere, orWhere, orWhereBetween, orWhereClose, orWhereCondition, orWhereExists, orWhereLike, orWhereOpen, orWhereWrap, orderBy, orderBy, orderBys, orderBys, where, where, whereBetween, whereClose, whereCondition, whereExists, whereLike, whereOpen, whereWrap, wheres, wheres

构造器详细资料

DbQueryBuilder

public DbQueryBuilder(IDb defaultDb)

sql构建器 依次继承 DbQueryBuilderAction 处理动作子句 + DbQueryBuilderDecoration 处理修饰子句 提供select/where等类sql的方法, 但是调用方法时, 不直接拼接sql, 而是在compile()时才延迟拼接sql, 因为调用方法时元素可以无序, 但生成sql时元素必须有序

参数:

defaultDb - 默认db名用在sql执行方法中最后一个参数中,默认使用该属性对应的db

DbQueryBuilder

public DbQueryBuilder()

sql构建器 依次继承 DbQueryBuilderAction 处理动作子句 + DbQueryBuilderDecoration 处理修饰子句 提供select/where等类sql的方法, 但是调用方法时, 不直接拼接sql, 而是在compile()时才延迟拼接sql, 因为调用方法时元素可以无序, 但生成sql时元素必须有序

DbQueryBuilder

public DbQueryBuilder(java.lang.String table,
                      java.lang.String sort,
                      java.lang.Boolean desc,
                      java.lang.Integer start,
                      java.lang.Integer rows,
                      IDb defaultDb)

获得sql查询构建器

DbQueryBuilder

public DbQueryBuilder(java.lang.String table,
                      java.lang.String condition,
                      java.util.List<?> params,
                      java.lang.String sort,
                      java.lang.Boolean desc,
                      java.lang.Integer start,
                      java.lang.Integer rows,
                      IDb defaultDb)

获得sql查询构建器

方法详细资料

compile

public CompiledSql compile(SqlAction action,
                           IDb db,
                           boolean clone)

编译sql

findResult

public <T> T findResult(java.util.List<?> params,
                        boolean single,
                        IDb db,
                        kotlin.jvm.functions.Function1<? super net.jkcode.jkmvc.db.DbResultSet,? extends T> transform)

查找结果： select 语句

count

public int count(java.util.List<?> params,
                 IDb db)

统计行数： count语句

sum

public int sum(java.lang.String column,
               java.util.List<?> params,
               IDb db)

加总列值： sum语句

incr

public boolean incr(java.lang.String column,
                    int step,
                    java.util.List<?> params,
                    IDb db)

自增

execute

public long execute(SqlAction action,
                    java.util.List<? extends java.lang.Object> params,
                    java.lang.String generatedColumn,
                    IDb db)

编译 + 执行

batchExecute

public int[] batchExecute(SqlAction action,
                          java.util.List<? extends java.lang.Object> paramses,
                          IDb db)

批量更新有参数的sql

fastFindPageBySubquery

public <T> java.util.List<T> fastFindPageBySubquery(int limit,
                                                    int offset,
                                                    java.lang.String idField,
                                                    boolean whereOnlyIds,
                                                    java.util.List<?> params,
                                                    IDb db,
                                                    kotlin.jvm.functions.Function1<? super net.jkcode.jkmvc.db.DbResultRow,? extends T> transform)

通过select id子查询来加快分页查询

getDefaultDb

public IDb getDefaultDb()

默认db名

用在sql执行方法中最后一个参数中,默认使用该属性对应的db