feat(cubesql): SQL push down for several ANSI SQL functions

Author: MazterQyou

packages/cubejs-schema-compiler/src/adapter/BaseQuery.js

@@ -2429,6 +2429,10 @@ class BaseQuery {
         COUNT: 'COUNT({{ args_concat }})',
         COUNT_DISTINCT: 'COUNT(DISTINCT {{ args_concat }})',
         AVG: 'AVG({{ args_concat }})',
+        STDDEV_POP: 'STDDEV_POP({{ args_concat }})',
+        STDDEV_SAMP: 'STDDEV_SAMP({{ args_concat }})',
+        VAR_POP: 'VAR_POP({{ args_concat }})',
+        VAR_SAMP: 'VAR_SAMP({{ args_concat }})',
 
         COALESCE: 'COALESCE({{ args_concat }})',
         CONCAT: 'CONCAT({{ args_concat }})',
@@ -2440,6 +2444,23 @@ class BaseQuery {
         UPPER: 'UPPER({{ args_concat }})',
         LEFT: 'LEFT({{ args_concat }})',
         RIGHT: 'RIGHT({{ args_concat }})',
+        SQRT: 'SQRT({{ args_concat }})',
+        ABS: 'ABS({{ args_concat }})',
+        ACOS: 'ACOS({{ args_concat }})',
+        ASIN: 'ASIN({{ args_concat }})',
+        ATAN: 'ATAN({{ args_concat }})',
+        COS: 'COS({{ args_concat }})',
+        EXP: 'EXP({{ args_concat }})',
+        LN: 'LN({{ args_concat }})',
+        LOG: 'LOG({{ args_concat }})',
+        PI: 'PI()',
+        POWER: 'POWER({{ args_concat }})',
+        SIN: 'SIN({{ args_concat }})',
+        TAN: 'TAN({{ args_concat }})',
+        REPEAT: 'REPEAT({{ args_concat }})',
+
+        STDDEV: 'STDDEV_SAMP({{ args_concat }})',
+        SUBSTR: 'SUBSTRING({{ args_concat }})',
       },
       statements: {
         select: 'SELECT {{ select_concat | map(attribute=\'aliased\') | join(\', \') }} \n' +

rust/cubesql/cubesql/src/compile/engine/df/wrapper.rs

@@ -1034,7 +1034,7 @@ impl CubeScanWrapperNode {
                         DataType::UInt64 => "INTEGER",
                         DataType::Float16 => "FLOAT",
                         DataType::Float32 => "FLOAT",
-                        DataType::Float64 => "DOUBLE",
+                        DataType::Float64 => "DOUBLE PRECISION",
                         DataType::Timestamp(_, _) => "TIMESTAMP",
                         DataType::Date32 => "DATE",
                         DataType::Date64 => "DATE",