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X DevAPI 用户指南  /  CRUD EBNF 定义  /  结果函数

11.6 结果函数

结果

此函数在 EBNF 中显示的语法为

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Result ::= '.getAffectedItemsCount()' | '.getAutoIncrementValue()' | '.getGeneratedIds()' | '.getWarningsCount()' | '.getWarnings()'

图 11.19 结果

Image shows the syntax in EBNF form as described in the preceding text.

文档结果

此函数在 EBNF 中显示的语法为

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DocResult ::= '.getWarningsCount()' | '.getWarnings()' | '.fetchAll()' | '.fetchOne()'

图 11.20 文档结果

Image shows the syntax in EBNF form as described in the preceding text.

行结果

此函数在 EBNF 中显示的语法为

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RowResult ::= '.getWarningsCount()' | '.getWarnings()' | '.fetchAll()' | '.fetchOne()' | '.getColumns()'

图 11.21 行结果

Image shows the syntax in EBNF form as described in the preceding text.

此函数在 EBNF 中显示的语法为

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Column ::= '.getSchemaName()' | '.getTableName()' | '.getTableLabel()' | '.getColumnName()' | '.getColumnLabel()' | '.getType()' | '.getLength()' | '.getFractionalDigits()' | '.isNumberSigned()' | '.getCollationName()' | '.getCharacterSetName()' | '.isPadded()'

图 11.22 列

Image shows the syntax in EBNF form as described in the preceding text.

SQL 结果

此函数在 EBNF 中显示的语法为

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SqlResult ::= '.getWarningsCount()' | '.getWarnings()' | '.fetchAll()' | '.fetchOne()' | '.getColumns()' | '.getAutoIncrementValue()' | '.hasData()' | '.nextResult()'

图 11.23 SQL 结果

Image shows the syntax in EBNF form as described in the preceding text.