sqlite3_step
sqlite3_step() → Advance an sqlite3_stmt to the next result row or to completion. sqlite3_column() → Column values in the current result row for an sqlite3_stmt. ,The sqlite3_exec() interface is a convenience wrapper around sqlite3_prepare_v2(), sqlite3_step(), and sqlite3_finalize(), that allows an application to run multiple ... ,SQLITE_ERROR means that a run-time error (such as a constraint violation) has occurred. sqlite3_step() should not be called again on the VM. More information ... ,You really should be saving the result of sqlite3_step() and checking to see if it is: SQLITE_ROW = retrieved row of data; SQLITE_DONE = no (more) data to ... ,2019年5月28日 — 上一篇文章中,我们通过sqlite3_prepare_v2初始化sqlite3_stmt 数据(预编译)后,就可以通过sqlite3_step函数来执行。返回值:SQLITE_BUSY: ... ,First of all: did you benchmark it? Is this the bottleneck? If no, then just stop worrying about efficiency and complexity now, and goto end of answer . Still here? ,Description. This function executes a prepared statement. The function will return SQLITE_DONE when the statement has finished executing. At that point, the ... ,2017年2月26日 — 如果调用sqlite3_reset重置准备语句失败,将会导致sqlite3_ step返回SQLITE_MISUSE,但是在V3. 6.23.1以后,sqlite3_step()将会自动调用 ... ,我調試了代碼,但不知道爲什麼while語句沒有執行。把NSlog後,我才知道它的結果不匹配。 101和SQLITE_ROW等於100.while(sqlite3_step(statement)== ... ,dbPtr, String(sqlCmd), -1, &statement, nil) if dbStatus == SQLITE_OK if sqlite3_step(statement) == SQLITE_DONE print("Insert data success.") return dbStatus } ...
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sqlite3_step 相關參考資料
An Introduction To The SQLite CC++ Interface
sqlite3_step() → Advance an sqlite3_stmt to the next result row or to completion. sqlite3_column() → Column values in the current result row for an sqlite3_stmt. https://www.sqlite.org CC++ Interface For SQLite Version 3
The sqlite3_exec() interface is a convenience wrapper around sqlite3_prepare_v2(), sqlite3_step(), and sqlite3_finalize(), that allows an application to run multiple ... https://www.sqlite.org Evaluate An SQL Statement - SQLite
SQLITE_ERROR means that a run-time error (such as a constraint violation) has occurred. sqlite3_step() should not be called again on the VM. More information ... https://sqlite.org if (sqlite3_step(compiledStatement) == SQLITE_ROW) is fail ...
You really should be saving the result of sqlite3_step() and checking to see if it is: SQLITE_ROW = retrieved row of data; SQLITE_DONE = no (more) data to ... https://stackoverflow.com sqlite3: sqlite3_step 函数_猪哥的专栏-CSDN博客
2019年5月28日 — 上一篇文章中,我们通过sqlite3_prepare_v2初始化sqlite3_stmt 数据(预编译)后,就可以通过sqlite3_step函数来执行。返回值:SQLITE_BUSY: ... https://blog.csdn.net sqlite3_step and number of results - Stack Overflow
First of all: did you benchmark it? Is this the bottleneck? If no, then just stop worrying about efficiency and complexity now, and goto end of answer . Still here? https://stackoverflow.com sqlite3_step() - Using SQLite [Book] - O'Reilly
Description. This function executes a prepared statement. The function will return SQLITE_DONE when the statement has finished executing. At that point, the ... https://www.oreilly.com sqlite3_step() - 简书
2017年2月26日 — 如果调用sqlite3_reset重置准备语句失败,将会导致sqlite3_ step返回SQLITE_MISUSE,但是在V3. 6.23.1以后,sqlite3_step()将会自动调用 ... https://www.jianshu.com while(sqlite3_step(statement)== SQLITE_ROW)循環不 ...
我調試了代碼,但不知道爲什麼while語句沒有執行。把NSlog後,我才知道它的結果不匹配。 101和SQLITE_ROW等於100.while(sqlite3_step(statement)== ... http://hk.uwenku.com 一起幫忙解決難題,拯救IT 人的一天 - iT 邦幫忙 - iThome
dbPtr, String(sqlCmd), -1, &statement, nil) if dbStatus == SQLITE_OK if sqlite3_step(statement) == SQLITE_DONE print("Insert data success.") return dbStatus } ... https://ithelp.ithome.com.tw |