snuyanzin commented on code in PR #25200:
URL: https://github.com/apache/flink/pull/25200#discussion_r1717450763
##########
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/operations/ShowViewsOperation.java:
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@@ -19,23 +19,125 @@
package org.apache.flink.table.operations;
import org.apache.flink.annotation.Internal;
+import org.apache.flink.table.api.ValidationException;
import org.apache.flink.table.api.internal.TableResultInternal;
+import org.apache.flink.table.catalog.Catalog;
+import org.apache.flink.table.functions.SqlLikeUtils;
+
+import java.util.Set;
import static
org.apache.flink.table.api.internal.TableResultUtils.buildStringArrayResult;
+import static org.apache.flink.util.Preconditions.checkNotNull;
/** Operation to describe a SHOW VIEWS statement. */
@Internal
public class ShowViewsOperation implements ShowOperation {
+ private final String catalogName;
+ private final String databaseName;
+ private final boolean useLike;
+ private final boolean notLike;
+ private final String likePattern;
+ private final String preposition;
+
+ public ShowViewsOperation() {
+ catalogName = null;
+ databaseName = null;
+ useLike = false;
+ notLike = false;
+ likePattern = null;
+ preposition = null;
+ }
+
+ public ShowViewsOperation(String likePattern, boolean useLike, boolean
notLike) {
+ this.catalogName = null;
+ this.databaseName = null;
+ this.useLike = useLike;
+ this.notLike = notLike;
+ this.likePattern =
+ useLike ? checkNotNull(likePattern, "Like pattern must not be
null.") : null;
+ this.preposition = null;
+ }
+
+ public ShowViewsOperation(
+ String catalogName,
+ String databaseName,
+ String likePattern,
+ boolean useLike,
+ boolean notLike,
+ String preposition) {
+ this.catalogName = checkNotNull(catalogName, "Catalog name must not be
null.");
+ this.databaseName = checkNotNull(databaseName, "Database name must not
be null");
+ this.useLike = useLike;
+ this.notLike = notLike;
+ this.likePattern =
+ useLike ? checkNotNull(likePattern, "Like pattern must not be
null.") : null;
+ this.preposition = checkNotNull(preposition, "Preposition must not be
null");
+ }
+
+ public String getLikePattern() {
+ return likePattern;
+ }
+
+ public String getPreposition() {
+ return preposition;
+ }
+
+ public boolean isUseLike() {
+ return useLike;
+ }
+
+ public boolean isNotLike() {
+ return notLike;
+ }
+
+ public String getCatalogName() {
+ return catalogName;
+ }
+
+ public String getDatabaseName() {
+ return databaseName;
+ }
+
@Override
public String asSummaryString() {
+ StringBuilder builder = new StringBuilder().append("SHOW VIEWS");
+ if (preposition != null) {
+ builder.append(String.format(" %s %s.%s", preposition,
catalogName, databaseName));
+ }
+ if (useLike) {
+ final String prefix = notLike ? "NOT " : "";
+ builder.append(String.format(" %sLIKE '%s'", prefix, likePattern));
+ }
return "SHOW VIEWS";
Review Comment:
great catch, thanks
added extra tests covering this for both table and views
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