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commit update join支持@cast字段类型转换 #785

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merged 2 commits into from
Dec 22, 2024
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commit update join支持@cast字段类型转换 #785

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commit update join支持@cast字段类型转换
lindaifeng Dec 17, 2024
99b910a
解决 JOIN ON 不支持 @cast，感谢 lindaifeng 的贡献~ #785
TommyLemon Dec 22, 2024
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17 changes: 15 additions & 2 deletions APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4847,8 +4847,21 @@ protected String concatJoinOn(@NotNull String sql, @NotNull String quote, @NotNu

String rt = on.getRelateType();
if (StringUtil.isEmpty(rt, false)) {
sql += (first ? ON : AND) + quote + jt + quote + "." + quote + on.getKey() + quote + (isNot ? " != " : " = ")
+ quote + getSQLTableWithAlias(on.getTargetTable(), on.getTargetAlias()) + quote + "." + quote + on.getTargetKey() + quote;
// 解决 JOIN ON 不支持 @cast 问题
SQLConfig jc = j.getJoinConfig();
Map<String, String> castMap = jc == null ? null : jc.getCast();
if (castMap == null || castMap.isEmpty()) {
sql += (first ? ON : AND) + quote + jt + quote + "." + quote + on.getKey() + quote + (isNot ? " != " : " = ")
+ quote + on.getTargetTable() + quote + "." + quote + on.getTargetKey() + quote;
} else {
String leftTableRelationSql = quote + jt + quote + "." + quote + on.getKey() + quote;
Object castValueType = castMap.get(on.getOriginKey());
if (castValueType != null) {
leftTableRelationSql = "CAST(" + leftTableRelationSql + " AS " + castValueType + ")";
}
sql += (first ? ON : AND) + leftTableRelationSql + (isNot ? " != " : " = ")
+ quote + on.getTargetTable() + quote + "." + quote + on.getTargetKey() + quote;
}
}
else {
onJoinComplexRelation(sql, quote, j, jt, onList, on);
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