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renejeglinsky merged 2 commits into from
Jun 4, 2025
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Document CDL Operators vs CAP Java Operators #1892

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Document CDL Operators vs CAP Java Operators
agoerler Jun 3, 2025
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Update java/working-with-cql/query-api.md
agoerler Jun 3, 2025
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56 changes: 31 additions & 25 deletions java/working-with-cql/query-api.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1474,8 +1474,14 @@ These comparison operators are supported:
<table>
<thead>
<tr>
<th colspan="2" align=center>Operator</th><th/><th/>
</tr>
<tr>
<th>
CAP Java
</th>
<th>
Predicate
CDL
</th>
<th width="400">
Description
Expand All @@ -1488,11 +1494,9 @@ These comparison operators are supported:

<tbody>
<tr>
<td>EQ</td><td>=</td>
<td>
EQ
</td>
<td>
Test if this value equals a given value. NULL values might be treated as unknown resulting in a three-valued logic as in SQL.
Test if this value equals a given value. NULL values might be treated as unknown resulting in a <i>three-valued logic</i> as in SQL.
</td>
<td align="left">
<code>Select.from("bookshop.Books")
Expand All @@ -1502,11 +1506,9 @@ EQ
</tr>

<tr>
<td>NE</td><td>&lt;&gt;</td>
<td>
NE
</td>
<td>
Test if this value is NOT equal to a given value. NULL values might be treated as unknown resulting in a three-valued logic as in SQL.
Test if this value is NOT equal to a given value. NULL values might be treated as unknown resulting in a <i>three-valued logic</i> as in SQL.
</td>
<td>
<code>Select.from("bookshop.Books")
Expand All @@ -1516,11 +1518,9 @@ NE
</tr>

<tr>
<td>IS</td><td>==</td>
<td>
IS
</td>
<td>
Test if this value equals a given value. NULL values are treated as any other value.
Test if this value equals a given value. NULL values are treated as any other value (<i>Boolean logic</i>).
</td>
<td>

Expand All @@ -1532,11 +1532,9 @@ IS
</tr>

<tr>
<td>IS NOT</td><td>!=</td>
<td>
IS NOT
</td>
<td>
Test if this value is NOT equal to a given value. NULL values are treated as any other value.
Test if this value is NOT equal to a given value. NULL values are treated as any other value (<i>Boolean logic</i>).
</td>
<td>

Expand All @@ -1548,9 +1546,7 @@ IS NOT
</tr>

<tr>
<td>
GT
</td>
<td>GT</td><td>&gt;</td>
<td>
Test if this value is greater than a given value.
</td>
Expand All @@ -1564,9 +1560,21 @@ GT
</tr>

<tr>
<td>GE</td><td>&gt;=</td>
<td>
LT
Test if this value is greater than or equal to a given value.
</td>
<td>

<code>Select.from("bookshop.Books")
.where(b -> b.get("stock")
.<span class="na">ge</span>(5));</code>

</td>
</tr>

<tr>
<td>LT</td><td>&lt;</td>
<td>
Test if this value is less than a given value.
</td>
Expand All @@ -1580,9 +1588,7 @@ LT
</tr>

<tr>
<td>
LE
</td>
<td>LE</td><td>&lt;=</td>
<td>
Test if this value is less than or equal to a given value.
</td>
Expand All @@ -1596,7 +1602,7 @@ LE
</tr>

<tr>
<td>
<td colspan="2">
BETWEEN
</td>
<td>
Expand Down