clickhouseHow to add index to table
ALTER TABLE tbl ADD INDEX col_index(col) TYPE minmax GRANULARITY 3ctrl + cALTER TABLEchange specified table | tblsample table to add index to |
ADD INDEXadds data skipping index | col_indexindex name |
colcolumn to index (can have multiple columns, separated by | TYPEindex type |
minmaxsimple minmax index (the same type as primary key) | GRANULARITYhow many granules to store for each table granule (3 in our case) |
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