Lu, Huayi 346ac31da9 DWS TG 8.1.3.200 VERSION

Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Reviewed-by: Jiang, Beibei <beibei.jiang@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>

2023-08-28 09:20:17 +00:00

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Bitmap Index

There is a configuration parameter that is introduced for this feature named BitmapIndexSupport which default value is comment, then the sample input and output are as follows:

Input – Bitmap index

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CREATE BITMAP INDEX 
emp_bitmap_idx
ON index_demo (gender);

Output

1	/CREATE BITMAP INDEX emp_bitmap_idx ON index_demo (gender);/

However, if the configuration parameter is set to BTREE, then the output is as follows:

Output

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CREATE
     /*bitmap*/
     INDEX emp_bitmap_idx
          ON index_demo
          USING btree (gender) ;

Parent topic: Oracle Syntax Migration

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Bitmap Index

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