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[fix](nereids) show columns type hide Column Version #59684

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[fix](nereids) show columns type hide Column Version #59684

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79d3d85
show columns type hide Column Version
catpineapple Jan 8, 2026
a256adc
add test case
catpineapple Jan 9, 2026
80a3b1a
Merge branch 'master' into show-columns-hide-version
catpineapple Jan 13, 2026
8db9300
modify catalog
catpineapple Jan 14, 2026
7696ecc
Merge remote-tracking branch 'origin/show-columns-hide-version' into …
catpineapple Jan 14, 2026
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2 changes: 1 addition & 1 deletion fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcMySQLClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -422,7 +422,7 @@ private Type dorisTypeToDoris(JdbcFieldSchema fieldSchema) {
return ScalarType.createDateV2Type();
case "DATETIME":
case "DATETIMEV2": {
int scale = (openParen == -1) ? 6
int scale = (openParen == -1) ? 0
: Integer.parseInt(upperType.substring(openParen + 1, upperType.length() - 1));
if (scale > 6) {
scale = 6;
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2 changes: 1 addition & 1 deletion ...-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowColumnsCommand.java
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Expand Up @@ -190,7 +190,7 @@ public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exc
continue;
}
final String columnName = col.getName();
final String columnType = col.getOriginType().toString().toLowerCase(Locale.ROOT);
final String columnType = col.getOriginType().hideVersionForVersionColumn(false);
final String isAllowNull = col.isAllowNull() ? "YES" : "NO";
final String isKey = col.isKey() ? "YES" : "NO";
final String defaultValue = col.getDefaultValue();
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6 changes: 6 additions & 0 deletions regression-test/data/nereids_p0/show/test_show_columns_command.out
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Expand Up @@ -3,11 +3,17 @@
id int YES YES \N
name text YES NO \N NONE
score float YES NO \N NONE
event_date date YES NO \N NONE
event_time datetime YES NO \N NONE
decimal_col decimal(10,2) YES NO \N NONE

-- !cmd --
id int YES YES \N
name text YES NO \N NONE
score float YES NO \N NONE
event_date date YES NO \N NONE
event_time datetime YES NO \N NONE
decimal_col decimal(10,2) YES NO \N NONE

-- !cmd --
score float YES NO \N NONE
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5 changes: 4 additions & 1 deletion regression-test/suites/nereids_p0/show/test_show_columns_command.groovy
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Expand Up @@ -25,7 +25,10 @@ suite("test_show_columns_command", "nereids_p0") {
CREATE TABLE IF NOT EXISTS ${dbName}.${tableName} (
id INT,
name STRING,
score FLOAT
score FLOAT,
event_date DATE,
event_time DATETIME,
decimal_col DECIMAL(10, 2)
)
DISTRIBUTED BY HASH(id) BUCKETS 3
PROPERTIES ("replication_num" = "1");
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