DRILL-5065 - Optimize count( * ) queries on MapR-DB JSON Tables#677
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spanchamiamapr wants to merge 3 commits into
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DRILL-5065 - Optimize count( * ) queries on MapR-DB JSON Tables#677spanchamiamapr wants to merge 3 commits into
spanchamiamapr wants to merge 3 commits into
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In MapR-DB v5.2.0, we enabled '_id' only projection for JSON tables. Hence, we can now optimize the following queries: a. count(*) by projecting only the '_id' column. b. '_id' only projections, including count(_id) Change the format plugin config parameter name.
adityakishore
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Dec 5, 2016
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| @JsonProperty("disableCountOptimization") | ||
| public void setReadDocumentForCount(boolean mode) { |
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setter function does not match the parameter.
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December 5, 2016 13:46
In MapR-DB v5.2.0, we enabled '_id' only projection for JSON tables. Hence, we can now optimize the following queries: a. count(*) by projecting only the '_id' column. b. '_id' only projections, including count(_id) Change the format plugin config parameter name. Fix setter of config parameter `disableCountOptimization` for drill-maprdb plugin
…ll-5065 Conflicts: contrib/format-maprdb/src/main/java/org/apache/drill/exec/store/mapr/db/MapRDBFormatPluginConfig.java
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In MapR-DB v5.2.0, we enabled '_id' only projection for JSON tables.
Hence, we can now optimize the following queries:
a. count(*) by projecting only the '_id' column.
b. '_id' only projections, including count(_id)
Change the format plugin config parameter name.