is_common_adj = loadTable("dfs://pit_stock_ts", "is_common_adj")
is_common_ori = loadTable("dfs://pit_stock_ts", "is_common_ori")

// schema(is_common_ori)

/**
 * 单季处理
 */

// 每年第一个季度
tbl_quarter1 = select code, report_period, year(report_period) as year, quarterOfYear(report_period) as current_quarter_accum, appear_at_date from is_common_ori where partition(code, 0), quarterOfYear(report_period) == 1

// 当季累计数据，作为下一季基准
tbl_quarter_accum_base = select code, report_period, year(report_period) as year, quarterOfYear(report_period) + 1 as base_for_quarter_accum, appear_at_date from is_common_ori where partition(code, 0), quarterOfYear(report_period) < 4

// 从第二季开始，去匹配前一季累计基数
tbl_quarter_accum = select code, report_period, year(report_period) as year, quarterOfYear(report_period) as current_quarter_accum, appear_at_date from is_common_ori where partition(code, 0), quarterOfYear(report_period) > 1

tbl_quarter_flux = select tbl_quarter_accum.* from ej(tbl_quarter_accum_base, tbl_quarter_accum, `code`year`base_for_quarter_accum, `code`year`current_quarter_accum)
tbl_quarter_flux = unionAll(tbl_quarter1, tbl_quarter_flux).sortBy!(`code`report_period)

tbl_quarter_flux

/**
 * 同比计算
 */
/*
sql1 = select code, report_period, year(report_period) - 1 as last_year, quarterOfYear(report_period) as quarter_of_year from bs_common_ori where code='000001.SZ'
//sql1

sql2 = select code, report_period, year(report_period) as this_year, quarterOfYear(report_period) as quarter_of_year from bs_common_ori where code='000001.SZ'

sql = select sql1.*, sql2.* from ej(sql1, sql2, `code`last_year`quarter_of_year, `code`this_year`quarter_of_year)

sql
*/