Results of 1 - 10 of about 10 for equality (0.003 sec.)
- Caveats – DuckDB 13461
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...ersions and Format Execution Format Pivot Sitemap Live Demo Documentation / Data Import / JSON Files Copy Markdown Caveats Equality Comparison Warning Currently, equality comparison of JSON files can differ based on the context. In some cases, it is base...ical JSON content. Despite equal logical content, values are treated as not equal. c != d , -- Same. c [ 0 ] = d [ 0 ], -- Equality because space was removed from physical content of fields: a = c [ 0 ], -- Indeed, field is equal to empty list without sp...!= b) (c != d) (c[0] = d[0]) (a = c[0]) (b != c[0]) true true true true true 関連キーワード content comparison equal space Equality based cases logical fields physical empty list Documentation Import Files Copy Markdown Caveats Comparison Warning Current... - https://man.mtool.work/duckdb/1.3/data/json/caveats.html
- PostgreSQL Compatibility – DuckDB 10762
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...d DuckDB performs an enforced cast, therefore, it completes the query and returns the following: x 1 2 Implicit Casting on Equality Checks DuckDB performs implicit casting on equality checks, e.g., converting strings to numeric and boolean values. Theref...table_name mytable However, the case insensitive matching in the system for identifiers cannot be turned off. Using Double Equality Sign for Comparison DuckDB supports both = and == for quality comparison, while PostgreSQL only supports = . SELECT 1 == 1...log In this article Floating-Point Arithmetic Division on Integers UNION of Boolean and Integer Values Implicit Casting on Equality Checks Case Sensitivity for Quoted Identifiers Using Double Equality Sign for Comparison Vacuuming Tables Strings Function... - https://man.mtool.work/duckdb/1.3/sql/dialect/postgresql_compatibility.html
- Interval Type – DuckDB 9260
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...020-01-02 00:00:00' ), -- 1 datepart ( 'day' , TIMESTAMP '2020-01-02 00:00:00' - TIMESTAMP '2020-01-01 01:00:00' ), -- 0 ; Equality and Comparison For equality and ordering comparisons only, the total number of microseconds in an INTERVAL is computed by...msterdam NL DuckDB Home Code of Conduct Trademark Use Blog In this article Arithmetic with Timestamps, Dates and Intervals Equality and Comparison Functions... - https://man.mtool.work/duckdb/1.3/sql/data_types/interval.html
- JSON Type – DuckDB 9117
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...terpreted as JSON, i.e., parsed, in JSON functions rather than interpreted as VARCHAR , i.e., a regular string (modulo the equality-comparison caveat at the bottom of this page). All JSON creation functions return values of this type. We also allow any o...unctions also back example nested Documentation Import Files Copy Markdown Type supports json parsed rather regular modulo equality 関連するページ Creating JSON Casting Nested Functions Loading JSON Union Type JSON Processing Functions See this page as M... - https://man.mtool.work/duckdb/1.3/data/json/json_type.html
- List Type – DuckDB 7901
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...LEAN values . The LIST ordering is defined positionally using the following rules, where min_len = min(len(l1), len(l2)) . Equality. l1 and l2 are equal, if for each i in [1, min_len] : l1[i] = l2[i] . Less Than . For the first index i in [1, min_len] wh... - https://man.mtool.work/duckdb/1.3/sql/data_types/list.html
- NULL Values – DuckDB 7901
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...ns: Any comparison with a NULL value returns NULL , including NULL = NULL . You can use IS NOT DISTINCT FROM to perform an equality comparison where NULL values compare equal to each other. Use IS (NOT) NULL to check if a value is NULL . SELECT NULL = NU... - https://man.mtool.work/duckdb/1.3/sql/data_types/nulls.html
- Indexing – DuckDB 7758
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...anning a table sequentially. Probing can improve the performance of some queries. DuckDB will try to use an index scan for equality and IN(...) conditions. It also pushes dynamic filters, e.g., from hash joins, into the scan, allowing dynamic index scans... - https://man.mtool.work/duckdb/1.3/guides/performance/indexing.html
- AsOf Join – DuckDB 7758
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...olumn names are the same in both tables. This syntax uses the USING keyword to list the fields that should be compared for equality. AsOf also supports this syntax, but with two restrictions: The last field is the inequality The inequality is >= (the mos... - https://man.mtool.work/duckdb/1.3/guides/sql_features/asof_join.html
- Subqueries – DuckDB 7758
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...ALL , ANY and SOME In the section on scalar subqueries , a scalar expression was compared directly to a subquery using the equality comparison operator ( = ). Such direct comparisons only make sense with scalar subqueries. Scalar expressions can still be... - https://man.mtool.work/duckdb/1.3/sql/expressions/subqueries.html
- JSON Processing Functions – DuckDB 7615
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...in lambda functions . Therefore, you need to surround the -> operator with parentheses when expressing operations such as equality comparisons ( = ). For example: SELECT (( JSON '{"field": 42}' ) -> 'field' ) = 42 ; Warning DuckDB's JSON data type uses... - https://man.mtool.work/duckdb/1.3/data/json/json_functions.html
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