使用 Python 從 SAP Hana 加載數據時出現語法錯誤

Question

我通過 Python 從 SAP HANA 加載數據時遇到問題。 代碼在如下情況下可以正常工作：

connection = pyhdb.connect(|||credentials|||)
cursor = connection.cursor()
cursor.execute('SELECT "0COMP_CODE", "0VENDOR", "0REF_DOC_NO", "0BBP_INV_ID" FROM  "_SYS_BIC"."system-local.bw.bw2hana/ZFGL01MY" WHERE CAST( "0PSTNG_DATE" AS date) >= ADD_MONTHS( NEXT_DAY( LAST_DAY( CURRENT_DATE)), -2) and "0VENDOR" IS NOT NULL')

但是當我嘗試添加像“0COMP_CODE”='B2B'這樣的條件時，

所以看起來像這樣：

Connection = pyhdb.connect(|||credentials|||)
cursor = connection.cursor()
cursor.execute('SELECT "0COMP_CODE", "0VENDOR", "0REF_DOC_NO", "0BBP_INV_ID" FROM  "_SYS_BIC"."system-local.bw.bw2hana/ZFGL01MY" WHERE CAST( "0PSTNG_DATE" AS date) >= ADD_MONTHS( NEXT_DAY( LAST_DAY( CURRENT_DATE)), -2) and "0VENDOR" IS NOT NULL AND "0COMP_CODE" = 'B2B' ')

我收到SyntaxError: invalid syntax.

我做錯了什么？

謝謝你。

Answer 1

嘗試轉義單引號：

Connection = pyhdb.connect(|||credentials|||)
cursor = connection.cursor()
cursor.execute('SELECT "0COMP_CODE", "0VENDOR", "0REF_DOC_NO", "0BBP_INV_ID" FROM  "_SYS_BIC"."system-local.bw.bw2hana/ZFGL01MY" WHERE CAST( "0PSTNG_DATE" AS date) >= ADD_MONTHS( NEXT_DAY( LAST_DAY( CURRENT_DATE)), -2) and "0VENDOR" IS NOT NULL AND "0COMP_CODE" = \'B2B\' ')