VMware Greenplum 6 Documentationmethod. Within each compression sub-type (RLE with zlib or RLE with zstd), higher compression levels yield higher compression ratios at the cost of speed. Since zstd outperforms zlib in terms of compression On the other hand, the variant using the shell's input redirection is (in theory) guaranteed to yield exactly the same output you would have received had you entered everything by hand. -F separator startingand a SQL 0 码力 | 2445 页 | 18.05 MB | 1 年前3- VMware Greenplum v6.18 Documentationmulti-column distribution key with a maximum of two columns. Additional column values do not typically yield a more even distribution and they require additional time in the hashing process. If a two-column null) ? true : (value.intValue() % 2) == 0; } } The following two statements both yield true: SELECT trueIfEvenOrNull(NULL); SELECT trueIfEvenOrNull(4); In order to return NULL values the Python script. The result is returned from the PL/Python function with return statement, or yield statement in case of a result-set statement. PL/Python translates Python's None into the SQL null0 码力 | 1959 页 | 19.73 MB | 1 年前3
- VMware Greenplum v6.19 Documentationmulti-column distribution key with a maximum of two columns. Additional column values do not typically yield a more even distribution and they require additional time in the hashing process. If a two-column null) ? true : (value.intValue() % 2) == 0; } } The following two statements both yield true: SELECT trueIfEvenOrNull(NULL); SELECT trueIfEvenOrNull(4); VMware Greenplum v6.19 Documentation to the Python script. The result is returned from the PL/Python function with return statement, or yield statement in case of a result-set statement. Note: Using the deprecated createlang command to enable0 码力 | 1972 页 | 20.05 MB | 1 年前3
- VMware Greenplum v6.17 Documentationmulti-column distribution key with a maximum of two columns. Additional column values do not typically yield a more even distribution and they require additional time in the hashing process. If a two-column null) ? true : (value.intValue() % 2) == 0; } } The following two statements both yield true: SELECT trueIfEvenOrNull(NULL); SELECT trueIfEvenOrNull(4); In order to return NULL values the Python script. The result is returned from the PL/Python function with return statement, or yield statement in case of a result-set statement. PL/Python translates Python's None into the SQL null0 码力 | 1893 页 | 17.62 MB | 1 年前3
- VMware Tanzu Greenplum v6.21 DocumentationOn the other hand, the variant using the shell’s input redirection is (in theory) guaranteed to yield exactly the same output you would have received had you entered everything by hand. -F separator starting
and a SQL 0 码力 | 2025 页 | 33.54 MB | 1 年前3 - VMware Greenplum 6 DocumentationOn the other hand, the variant using the shell’s input redirection is (in theory) guaranteed to yield exactly the same output you would have received had you entered everything by hand. -F separator starting
and a SQL 0 码力 | 2374 页 | 44.90 MB | 1 年前3 - VMware Tanzu Greenplum v6.23 DocumentationOn the other hand, the variant using the shell’s input redirection is (in theory) guaranteed to yield exactly the same output you would have received had you entered everything by hand. -F separator starting
and a SQL 0 码力 | 2298 页 | 40.94 MB | 1 年前3 - VMware Tanzu Greenplum 6 DocumentationOn the other hand, the variant using the shell's input redirection is (in theory) guaranteed to yield exactly the same output you would have received had you entered everything by hand. -F separator starting
and a SQL 0 码力 | 2311 页 | 17.58 MB | 1 年前3 - VMware Greenplum v6.25 DocumentationOn the other hand, the variant using the shell's input redirection is (in theory) guaranteed to yield exactly the same output you would have received had you entered everything by hand. -F separator starting
and a SQL 0 码力 | 2400 页 | 18.02 MB | 1 年前3 - VMware Tanzu Greenplum v6.20 Documentationmulti-column distribution key with a maximum of two columns. Additional column values do not typically yield a more even distribution and they require additional time in the hashing process. If a two-column null) ? true : (value.intValue() % 2) == 0; } } The following two statements both yield true: SELECT trueIfEvenOrNull(NULL); SELECT trueIfEvenOrNull(4); In order to return NULL values the Python script. The result is returned from the PL/Python function with return statement, or yield statement in case of a result-set statement. PL/Python translates Python’s None into the SQL null0 码力 | 1988 页 | 20.25 MB | 1 年前3
共 12 条
- 1
- 2