AvgWithArgumentCastFunction

Class Overview

Some databases strictly return the type of the of the aggregation value for AVG which is problematic in the case of averaging integers because the decimals will be dropped. The usual workaround is to cast the integer argument as some form of double/decimal.

Summary

[Expand] Inherited Fields
From class org.hibernate.dialect.function.StandardAnsiSqlAggregationFunctions.AvgFunction public static final StandardAnsiSqlAggregationFunctions.AvgFunction INSTANCE

[Expand] Inherited Methods
From class org.hibernate.dialect.function.StandardAnsiSqlAggregationFunctions.AvgFunction final int determineJdbcTypeCode(Type firstArgumentType, SessionFactoryImplementor factory) String render(int firstArgumentJdbcType, String argument, SessionFactoryImplementor factory) String render(Type firstArgumentType, List arguments, SessionFactoryImplementor factory) Render the function call as SQL fragment. String renderArgument(String argument, int firstArgumentJdbcType)
From class org.hibernate.dialect.function.StandardSQLFunction String getName() Function name accessor Type getReturnType(Type firstArgumentType, Mapping mapping) The return type of the function. Type getType() Function static return type accessor. boolean hasArguments() Does this function have any arguments? boolean hasParenthesesIfNoArguments() If there are no arguments, are parentheses required? String render(Type firstArgumentType, List arguments, SessionFactoryImplementor sessionFactory) Render the function call as SQL fragment. String toString()
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait() final void wait(long arg0, int arg1) final void wait(long arg0)
From interface org.hibernate.dialect.function.SQLFunction abstract Type getReturnType(Type firstArgumentType, Mapping mapping) The return type of the function. abstract boolean hasArguments() Does this function have any arguments? abstract boolean hasParenthesesIfNoArguments() If there are no arguments, are parentheses required? abstract String render(Type firstArgumentType, List arguments, SessionFactoryImplementor factory) Render the function call as SQL fragment.