[ https://issues.apache.org/jira/browse/DRILL-7132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Hou closed DRILL-7132. ----------------------------- > Metadata cache does not have correct min/max values for varchar and interval > data types > --------------------------------------------------------------------------------------- > > Key: DRILL-7132 > URL: https://issues.apache.org/jira/browse/DRILL-7132 > Project: Apache Drill > Issue Type: Bug > Components: Metadata > Affects Versions: 1.14.0 > Reporter: Robert Hou > Priority: Major > Fix For: 1.17.0 > > Attachments: 0_0_10.parquet > > > The parquet metadata cache does not have correct min/max values for varchar > and interval data types. > I have attached a parquet file. Here is what parquet tools shows for varchar: > [varchar_col] BINARY 14.6% of all space [PLAIN, BIT_PACKED] min: 67 max: 67 > average: 67 total: 67 (raw data: 65 saving -3%) > values: min: 1 max: 1 average: 1 total: 1 > uncompressed: min: 65 max: 65 average: 65 total: 65 > column values statistics: min: ioegjNJKvnkd, max: ioegjNJKvnkd, num_nulls: 0 > Here is what the metadata cache file shows: > "name" : [ "varchar_col" ], > "minValue" : "aW9lZ2pOSkt2bmtk", > "maxValue" : "aW9lZ2pOSkt2bmtk", > "nulls" : 0 > Here is what parquet tools shows for interval: > [interval_col] BINARY 11.3% of all space [PLAIN, BIT_PACKED] min: 52 max: 52 > average: 52 total: 52 (raw data: 50 saving -4%) > values: min: 1 max: 1 average: 1 total: 1 > uncompressed: min: 50 max: 50 average: 50 total: 50 > column values statistics: min: P18582D, max: P18582D, num_nulls: 0 > Here is what the metadata cache file shows: > "name" : [ "interval_col" ], > "minValue" : "UDE4NTgyRA==", > "maxValue" : "UDE4NTgyRA==", > "nulls" : 0 -- This message was sent by Atlassian JIRA (v7.6.3#76005)