> SELECT CHARACTER_LENGTH('Spark SQL '); 10 1. 2. 3. 4. 5. 6. 字符串串联 concat(col1, col2, …, colN) - Returns the concatenation of col1, col2, …, colN. Examples: > SELECT concat('Spark', 'SQL'); SparkSQL > SELECT concat(array(1, 2, 3), array(4, 5), array(6)...
> SELECT concat('Spark', 'SQL'); SparkSQL concat_ws concat_ws(sep, [str | array(str)]+) - 返回由 sep 分隔组成的字符串连接。 例子: > SELECT concat_ws(' ', 'Spark', 'SQL'); Spark SQL conv conv(num, from_base, to_base) - 将 num 从 from_base 进制转换为 to_base 进制。 ...
spark.rapids.sql.castFloatToDecimal.enabled Casting from floating point types to decimal on the GPU returns results that have tiny difference compared to results returned from CPU. true Runtime spark.rapids.sql.castFloatToIntegralTypes.enabled Casting from floating point types to integral types on ...
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala Outdated */ object InConversion extends Rule[LogicalPlan] { def apply(plan: LogicalPlan): LogicalPlan = plan resolveExpressions { // Skip nodes who's children have not been resolved yet. case e if !
Spark SQL 内置函数列表 ! ! expr :逻辑非。 % expr1 % expr2 - 返回 expr1/expr2 的余数. 例子: > SELECT 2 % 1.8; 0.2 > SELECT MOD(2, 1.8); 0.2 & expr1 & expr2 - 返回 expr1 和 expr2 的按位AND的结果。 例子: > SELECT 3 & 5;...