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Extract parameters from oracle TO_DATE function
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@FlyingZC
FlyingZC committed Sep 25, 2023
1 parent 1305c71 commit c5bc40d
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Showing 3 changed files with 77 additions and 23 deletions.
6 changes: 5 additions & 1 deletion ...org/apache/shardingsphere/sql/parser/oracle/visitor/statement/OracleStatementVisitor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1000,7 +1000,11 @@ public ASTNode visitCursorFunction(final CursorFunctionContext ctx) {

@Override
public ASTNode visitToDateFunction(final ToDateFunctionContext ctx) {
return new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.TO_DATE().getText(), getOriginalText(ctx));
FunctionSegment result = new FunctionSegment(ctx.getStart().getStartIndex(), ctx.getStop().getStopIndex(), ctx.TO_DATE().getText(), getOriginalText(ctx));
if (null != ctx.STRING_()) {
ctx.STRING_().forEach(each -> result.getParameters().add(new LiteralExpressionSegment(each.getSymbol().getStartIndex(), each.getSymbol().getStopIndex(), each.getSymbol().getText())));
}
return result;
}

@Override
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76 changes: 56 additions & 20 deletions test/it/parser/src/main/resources/case/dml/insert.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -2575,41 +2575,77 @@
<values>
<value>
<assignment-value>
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="103" stop-index="125" />
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="103" stop-index="125" literal-start-index="103" literal-stop-index="125">
<parameter>
<literal-expression value="'2009'" start-index="111" stop-index="116" literal-start-index="111" literal-stop-index="116" />
</parameter>
<parameter>
<literal-expression value="'YYYY'" start-index="119" stop-index="124" literal-start-index="119" literal-stop-index="124" />
</parameter>
<literalText>TO_DATE('2009', 'YYYY')</literalText>
</function>
</assignment-value>
<assignment-value>
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="128" stop-index="150" />
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="128" stop-index="150" literal-start-index="128" literal-stop-index="150">
<parameter>
<literal-expression value="'2009'" start-index="136" stop-index="141" literal-start-index="136" literal-stop-index="141" />
</parameter>
<parameter>
<literal-expression value="'YYYY'" start-index="144" stop-index="149" literal-start-index="144" literal-stop-index="149" />
</parameter>
<literalText>TO_DATE('2009', 'YYYY')</literalText>
</function>
</assignment-value>
<assignment-value>
<interval-expression start-index="153" stop-index="217" text="(TO_DATE('2009', 'YYYY') - TO_DATE('2009', 'YYYY')) year to MONTH">
<interval-expression>
<left>
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="154" stop-index="176" />
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="154" stop-index="176" literal-start-index="154" literal-stop-index="176">
<parameter>
<literal-expression value="'2009'" start-index="162" stop-index="167" literal-start-index="162" literal-stop-index="167" />
</parameter>
<parameter>
<literal-expression value="'YYYY'" start-index="170" stop-index="175" literal-start-index="170" literal-stop-index="175" />
</parameter>
<literalText>TO_DATE('2009', 'YYYY')</literalText>
</function>
</left>
<operator>-</operator>
<right>
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="180" stop-index="202" />
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="180" stop-index="202" literal-start-index="180" literal-stop-index="202">
<parameter>
<literal-expression value="'2009'" start-index="188" stop-index="193" literal-start-index="188" literal-stop-index="193" />
</parameter>
<parameter>
<literal-expression value="'YYYY'" start-index="196" stop-index="201" literal-start-index="196" literal-stop-index="201" />
</parameter>
<literalText>TO_DATE('2009', 'YYYY')</literalText>
</function>
</right>
<interval-year-to-month-expr start-index="205" stop-index="217">
<year>year</year>
<to>to</to>
<month>MONTH</month>
</interval-year-to-month-expr>
</interval-expression>
</assignment-value>
<assignment-value>
<interval-expression start-index="220" stop-index="284" text="(TO_DATE('2009', 'YYYY') - TO_DATE('2009', 'YYYY')) DAY TO SECOND">
<interval-expression>
<left>
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="221" stop-index="243" />
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="221" stop-index="243" literal-start-index="221" literal-stop-index="243">
<parameter>
<literal-expression value="'2009'" start-index="229" stop-index="234" literal-start-index="229" literal-stop-index="234" />
</parameter>
<parameter>
<literal-expression value="'YYYY'" start-index="237" stop-index="242" literal-start-index="237" literal-stop-index="242" />
</parameter>
<literalText>TO_DATE('2009', 'YYYY')</literalText>
</function>
</left>
<operator>-</operator>
<right>
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="247" stop-index="269" />
<function function-name="TO_DATE" text="TO_DATE('2009', 'YYYY')" start-index="247" stop-index="269" literal-start-index="247" literal-stop-index="269">
<parameter>
<literal-expression value="'2009'" start-index="255" stop-index="260" literal-start-index="255" literal-stop-index="260" />
</parameter>
<parameter>
<literal-expression value="'YYYY'" start-index="263" stop-index="268" literal-start-index="263" literal-stop-index="268" />
</parameter>
<literalText>TO_DATE('2009', 'YYYY')</literalText>
</function>
</right>
<interval-day-to-second-expr start-index="272" stop-index="284">
<day>DAY</day>
<to>TO</to>
<second>SECOND</second>
</interval-day-to-second-expr>
</interval-expression>
</assignment-value>
</value>
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18 changes: 16 additions & 2 deletions test/it/parser/src/main/resources/case/dml/select.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -6839,7 +6839,21 @@
<expression-projection text="TO_DATE('Febuary 15, 2016, 11:00 A.M.' DEFAULT 'January 01, 2016 12:00 A.M.' ON CONVERSION ERROR, 'Month dd, YYYY, HH:MI A.M.')" start-index="7" stop-index="133" literal-start-index="7" literal-stop-index="133">
<literalText>TO_DATE('Febuary 15, 2016, 11:00 A.M.' DEFAULT 'January 01, 2016 12:00 A.M.' ON CONVERSION ERROR, 'Month dd, YYYY, HH:MI A.M.')</literalText>
<expr>
<function function-name="TO_DATE" text="TO_DATE('Febuary 15, 2016, 11:00 A.M.' DEFAULT 'January 01, 2016 12:00 A.M.' ON CONVERSION ERROR, 'Month dd, YYYY, HH:MI A.M.')" start-index="7" stop-index="133" literal-start-index="7" literal-stop-index="133">
<function function-name="TO_DATE"
text="TO_DATE('Febuary 15, 2016, 11:00 A.M.' DEFAULT 'January 01, 2016 12:00 A.M.' ON CONVERSION ERROR, 'Month dd, YYYY, HH:MI A.M.')"
start-index="7" stop-index="133" literal-start-index="7" literal-stop-index="133">
<parameter>
<literal-expression value="'Febuary 15, 2016, 11:00 A.M.'" start-index="15" stop-index="44"
literal-start-index="15" literal-stop-index="44"/>
</parameter>
<parameter>
<literal-expression value="'January 01, 2016 12:00 A.M.'" start-index="54" stop-index="82"
literal-start-index="54" literal-stop-index="82"/>
</parameter>
<parameter>
<literal-expression value="'Month dd, YYYY, HH:MI A.M.'" start-index="105" stop-index="132"
literal-start-index="105" literal-stop-index="132"/>
</parameter>
<literalText>TO_DATE('Febuary 15, 2016, 11:00 A.M.' DEFAULT 'January 01, 2016 12:00 A.M.' ON CONVERSION ERROR, 'Month dd, YYYY, HH:MI A.M.')</literalText>
</function>
</expr>
Expand All @@ -6851,7 +6865,7 @@
</select>
<select sql-case-id="select_with_expressions_in_projection">
<projections start-index="7" stop-index="81" literal-start-index="7" literal-stop-index="81">
<column-projection name="empid" start-index="75" stop-index="81" literal-start-index="75" literal-stop-index="81">
<column-projection name="empid" start-index="75" stop-index="81" literal-start-index="75" literal-stop-index="81">`
<owner name="a" start-index="75" stop-index="75" literal-start-index="75" literal-stop-index="75" />
</column-projection>
<expression-projection text="a.enddate - term + term2 + 1) / (last_day(term) - term + 1" alias="cnt" start-index="8" stop-index="72" literal-start-index="8" literal-stop-index="72">
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