Marcel Kornacker has posted comments on this change.

Change subject: Review Only: Kudu Impala integration
......................................................................


Patch Set 7:

(30 comments)

http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/cup/sql-parser.cup
File fe/src/main/cup/sql-parser.cup:

Line 233: // List of keywords. Please keep them sorted alphabetically.
please add
ALL KEYWORDS ALSO NEED TO BE ADDED TO THE ident_or_kw PRODUCTION


Line 237:   KW_BUCKETS, KW_BY,
some long lines, and some very short ones. try to fill them up.


Line 717:   KW_DELETE opt_ignore:ignore dotted_path:target_table  
where_clause:where
what's wrong with opt_kw_from instead of duplicating the production?


Line 977:   // Create partitioned tables with CTAS statement. We need an own 
production
"a separate"


Line 980:   // follow the PARTITION feature of insert from select statements.
orphaned sentence


Line 982:   table_name:table
short line


Line 989:     // Initialize with empty List of columns. The columns will be 
added by the query
lower case


Line 2802: ident_or_keyword ::=
did you add your new keywords?


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/analysis/BinaryPredicate.java
File fe/src/main/java/com/cloudera/impala/analysis/BinaryPredicate.java:

Line 116:    * predicate into literals, if possible.
add "returns null if this is not a slotref comparison"


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/analysis/DistributeParam.java
File fe/src/main/java/com/cloudera/impala/analysis/DistributeParam.java:

Line 140:             throw new AnalysisException(String.format("Split row 
value is not supported: %s "
long line


Line 141:                 + "(Type: %s) is not supported.", 
expr.getStringValue(), expr.getType().toSql()));
remove trailing 'is not supported'.


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/analysis/InsertStmt.java
File fe/src/main/java/com/cloudera/impala/analysis/InsertStmt.java:

Line 669:    * logic from DataSink to TableSink.
didn't you do that?


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/analysis/ModifyStmt.java
File fe/src/main/java/com/cloudera/impala/analysis/ModifyStmt.java:

Line 156:     if (sourceStmt_ == null) {
single line


Line 166:     if (sourceStmt_ != null) {
single line


Line 251:             format("Left-hand side column '%s' in assignment 
expression '%s=%s' does not " +
long line


Line 285:             c.getName(), c.getType().toSql(), rhsExpr.toSql(), 
rhsExpr.getType().toSql()));
long line


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/analysis/SelectStmt.java
File fe/src/main/java/com/cloudera/impala/analysis/SelectStmt.java:

Line 84:     this.selectList_ = selectList;
remove this.


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/catalog/CatalogServiceCatalog.java
File fe/src/main/java/com/cloudera/impala/catalog/CatalogServiceCatalog.java:

Line 1: // Copyright 2012 Cloudera Inc.
could you flag what you modified since version 6, if anything?


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/catalog/KuduTable.java
File fe/src/main/java/com/cloudera/impala/catalog/KuduTable.java:

Line 258:         // TODO why -1?
good point. what is this?


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/catalog/Table.java
File fe/src/main/java/com/cloudera/impala/catalog/Table.java:

Line 430:   public void 
setMetaStoreTable(org.apache.hadoop.hive.metastore.api.Table msTbl) {
precede w/ blank line


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/catalog/delegates/KuduDdlDelegate.java
File 
fe/src/main/java/com/cloudera/impala/catalog/delegates/KuduDdlDelegate.java:

Line 124:         for (TDistributeParam dP : distributeParams_) {
dP -> param or something like that. dP is weird.


Line 126:             cto.addHashPartitions(dP.getBy_hash_param().getColumns(),
also checkstate that by_range_param isn't set


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/planner/KuduScanNode.java
File fe/src/main/java/com/cloudera/impala/planner/KuduScanNode.java:

Line 68:   // Indexes for the set of hosts that will be used for the query.
explain what it indexes into


Line 178:     cardinality_ = Math.max(Math.max(1, cardinality_), 
kuduTable_.getNumRows());
needs to be min(max(1, card), #rows).


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/planner/TableSink.java
File fe/src/main/java/com/cloudera/impala/planner/TableSink.java:

Line 43:    * Returns an output sink appropriate for writing to the given table.
explain that not all ops are supported and params can be null, as dictated by 
the table.


Line 78:    * Enum to specify the sink operation type.
move above member vars.

thanks for restructuring this, it looks much cleaner now, a definite 
improvement.


http://gerrit.cloudera.org:8080/#/c/1403/7/fe/src/main/java/com/cloudera/impala/util/KuduUtil.java
File fe/src/main/java/com/cloudera/impala/util/KuduUtil.java:

Line 145:   private static void setKey(PartialRow key, Type type, JsonArray 
array, int pos)
key is an in/out param and needs to go to the end. or consider adding to 
PartialRow.


Line 163:   private static void setKey(PartialRow key, Type type, TRangeLiteral 
literal, int pos,
same here


Line 168:         key.addBoolean(pos, literal.bool_literal);
use getter here as well for consistency


http://gerrit.cloudera.org:8080/#/c/1403/7/testdata/workloads/functional-query/queries/QueryTest/kudu_crud.test
File testdata/workloads/functional-query/queries/QueryTest/kudu_crud.test:

Line 75: # The updating a varchar col. with a value that is bigger than it's 
size (truncated).
fix grammar


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Gerrit-MessageType: comment
Gerrit-Change-Id: I239314acbc8434ef673a3a59d2a82a0338ea5876
Gerrit-PatchSet: 7
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: David Ribeiro Alves <[email protected]>
Gerrit-Reviewer: Alex Behm <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: David Ribeiro Alves <[email protected]>
Gerrit-Reviewer: Henry Robinson <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Martin Grund <[email protected]>
Gerrit-Reviewer: Silvius Rus <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Todd Lipcon <[email protected]>
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