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The following commit(s) were added to refs/heads/master by this push:
new 4c3c6d61 EMPIREDB-456 DBCommand new function selectSetExpressions()
4c3c6d61 is described below
commit 4c3c6d6135aa32fd1f921d3a39a3b9d6f062a425
Author: Rainer Döbele <rdoeb...@users.noreply.github.com>
AuthorDate: Sun Jul 13 21:05:40 2025 +0200
EMPIREDB-456
DBCommand new function selectSetExpressions()
---
.../main/java/org/apache/empire/db/DBCommand.java | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
b/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
index e04fd808..cf4af8a0 100644
--- a/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
+++ b/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
@@ -411,6 +411,37 @@ public abstract class DBCommand extends DBCommandExpr
return this;
}
+ /**
+ * Selects all set expressions
+ * i.e. converts all calls like
+ * cmd.set(COL.to(VALUE))
+ * into a select of the form
+ * cmd.select(VALUE.as(COL))
+ * @return itself (this)
+ */
+ public final DBCommand selectSetExpressions(List<DBSetExpr> setExprList)
+ {
+ // Check null or empty
+ if (setExprList==null || setExprList.isEmpty())
+ return this;
+ // convert set to select
+ for (DBSetExpr se : setExprList)
+ {
+ DBColumnExpr VAL = (DBColumnExpr)se.getValue();
+ select(VAL.as(se.getColumn()));
+ }
+ return this;
+ }
+
+ /**
+ * Selects all set expressions that have been set for this command
+ * @return itself (this)
+ */
+ public final DBCommand selectSetExpressions()
+ {
+ return selectSetExpressions(this.set);
+ }
+
/**
* Adds a list of columns with their qualified name to the select phrase
of an sql statement.
*
