OBIEE Date Expressions and Calculations

PREVIOUS - (YEAR/ QUARTER/  MONTH)

First Day of the Previous Year
TIMESTAMPADD( SQL_TSI_YEAR , -1, TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

First Day of Previous Quarter
TIMESTAMPADD( SQL_TSI_QUARTER , -1, TIMESTAMPADD( SQL_TSI_DAY , DAY_OF_QUARTER( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

First Day of the Previous Month
TIMESTAMPADD(SQL_TSI_MONTH, -1, TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

Last Day of Previous Year
TIMESTAMPADD( SQL_TSI_DAY , -1, TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1,  CURRENT_DATE))

Last Day of Previous Quarter
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

Last Day of the Previous Month
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

CURRENT - (YEAR/ QUARTER/  MONTH)

First Day of the Current Year
TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1, CURRENT_DATE)

First Day of Current Quarter
TIMESTAMPADD( SQL_TSI_DAY , DAY_OF_QUARTER( CURRENT_DATE) * -(1) + 1, CURRENT_DATE)

First Day of the Current Month
TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE)

Last Day of Current Year
TIMESTAMPADD(SQL_TSI_YEAR, 1, TIMESTAMPADD( SQL_TSI_DAY , -1, TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1, CURRENT_DATE)))

Last Day of Current Quarter
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_QUARTER , 1, TIMESTAMPADD( SQL_TSI_DAY , DAY_OF_QUARTER( CURRENT_DATE) * -(1) + 1, CURRENT_DATE)))

Last Day of Current Month
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_MONTH , 1, TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE)))

NEXT - (YEAR/ QUARTER/  MONTH)

First Day of the Next Year
TIMESTAMPADD( SQL_TSI_YEAR , 1, TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

First Day of Next Quarter
TIMESTAMPADD( SQL_TSI_QUARTER , 1, TIMESTAMPADD( SQL_TSI_DAY , DAY_OF_QUARTER( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

First Day of the Next Month
TIMESTAMPADD(SQL_TSI_MONTH, 1, TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE))

Last Day of the Next Year
TIMESTAMPADD(SQL_TSI_YEAR, 2, TIMESTAMPADD( SQL_TSI_DAY , -1, TIMESTAMPADD( SQL_TSI_DAY , EXTRACT( DAY_OF_YEAR FROM CURRENT_DATE) * -(1) + 1, CURRENT_DATE)))

Last Day of Next Quarter
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_QUARTER , 2, TIMESTAMPADD( SQL_TSI_DAY , DAY_OF_QUARTER( CURRENT_DATE) * -(1) + 1, CURRENT_DATE)))

Last Day of the Next Month
TIMESTAMPADD( SQL_TSI_DAY , -(1), TIMESTAMPADD( SQL_TSI_MONTH , 2, TIMESTAMPADD( SQL_TSI_DAY , DAYOFMONTH( CURRENT_DATE) * -(1) + 1, CURRENT_DATE)))