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@@ 307-361 (lines=55) @@
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| 304 |
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# ignore this exception |
| 305 |
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pass |
| 306 |
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| 307 |
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if len(energy_value_list) > 0: |
| 308 |
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add_values = (" INSERT INTO tbl_energy_value (point_id, utc_date_time, actual_value) " |
| 309 |
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" VALUES ") |
| 310 |
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trend_value_count = 0 |
| 311 |
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| 312 |
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for point_value in energy_value_list: |
| 313 |
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if point_value['is_trend']: |
| 314 |
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add_values += " (" + str(point_value['point_id']) + "," |
| 315 |
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add_values += "'" + current_datetime_utc.isoformat() + "'," |
| 316 |
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add_values += str(point_value['value']) + "), " |
| 317 |
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trend_value_count += 1 |
| 318 |
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| 319 |
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if trend_value_count > 0: |
| 320 |
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try: |
| 321 |
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# trim ", " at the end of string and then execute |
| 322 |
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cursor_historical_db.execute(add_values[:-2]) |
| 323 |
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cnx_historical_db.commit() |
| 324 |
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except Exception as e: |
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logger.error("Error in step 4.3.1 of acquisition process: " + str(e)) |
| 326 |
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# ignore this exception |
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pass |
| 328 |
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| 329 |
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# update tbl_energy_value_latest |
| 330 |
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delete_values = " DELETE FROM tbl_energy_value_latest WHERE point_id IN ( " |
| 331 |
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latest_values = (" INSERT INTO tbl_energy_value_latest (point_id, utc_date_time, actual_value) " |
| 332 |
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" VALUES ") |
| 333 |
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| 334 |
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latest_value_count = 0 |
| 335 |
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for point_value in energy_value_list: |
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delete_values += str(point_value['point_id']) + "," |
| 337 |
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latest_values += " (" + str(point_value['point_id']) + "," |
| 338 |
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latest_values += "'" + current_datetime_utc.isoformat() + "'," |
| 339 |
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latest_values += str(point_value['value']) + "), " |
| 340 |
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latest_value_count += 1 |
| 341 |
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| 342 |
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if latest_value_count > 0: |
| 343 |
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try: |
| 344 |
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# replace "," at the end of string with ")" |
| 345 |
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cursor_historical_db.execute(delete_values[:-1] + ")") |
| 346 |
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cnx_historical_db.commit() |
| 347 |
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| 348 |
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except Exception as e: |
| 349 |
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logger.error("Error in step 4.3.2 of acquisition process " + str(e)) |
| 350 |
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# ignore this exception |
| 351 |
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pass |
| 352 |
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| 353 |
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try: |
| 354 |
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# trim ", " at the end of string and then execute |
| 355 |
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cursor_historical_db.execute(latest_values[:-2]) |
| 356 |
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cnx_historical_db.commit() |
| 357 |
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| 358 |
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except Exception as e: |
| 359 |
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logger.error("Error in step 4.3.3 of acquisition process " + str(e)) |
| 360 |
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# ignore this exception |
| 361 |
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pass |
| 362 |
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| 363 |
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if len(digital_value_list) > 0: |
| 364 |
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add_values = (" INSERT INTO tbl_digital_value (point_id, utc_date_time, actual_value) " |
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@@ 253-305 (lines=53) @@
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| 250 |
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current_datetime_utc = datetime.utcnow() |
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# bulk insert values into historical database within a period |
| 252 |
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# update latest values in the meanwhile |
| 253 |
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if len(analog_value_list) > 0: |
| 254 |
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add_values = (" INSERT INTO tbl_analog_value (point_id, utc_date_time, actual_value) " |
| 255 |
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" VALUES ") |
| 256 |
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trend_value_count = 0 |
| 257 |
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| 258 |
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for point_value in analog_value_list: |
| 259 |
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if point_value['is_trend']: |
| 260 |
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add_values += " (" + str(point_value['point_id']) + "," |
| 261 |
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add_values += "'" + current_datetime_utc.isoformat() + "'," |
| 262 |
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add_values += str(point_value['value']) + "), " |
| 263 |
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trend_value_count += 1 |
| 264 |
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| 265 |
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if trend_value_count > 0: |
| 266 |
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try: |
| 267 |
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# trim ", " at the end of string and then execute |
| 268 |
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cursor_historical_db.execute(add_values[:-2]) |
| 269 |
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cnx_historical_db.commit() |
| 270 |
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except Exception as e: |
| 271 |
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logger.error("Error in step 4.2.1 of acquisition process " + str(e)) |
| 272 |
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# ignore this exception |
| 273 |
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pass |
| 274 |
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| 275 |
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# update tbl_analog_value_latest |
| 276 |
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delete_values = " DELETE FROM tbl_analog_value_latest WHERE point_id IN ( " |
| 277 |
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latest_values = (" INSERT INTO tbl_analog_value_latest (point_id, utc_date_time, actual_value) " |
| 278 |
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" VALUES ") |
| 279 |
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latest_value_count = 0 |
| 280 |
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| 281 |
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for point_value in analog_value_list: |
| 282 |
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delete_values += str(point_value['point_id']) + "," |
| 283 |
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latest_values += " (" + str(point_value['point_id']) + "," |
| 284 |
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latest_values += "'" + current_datetime_utc.isoformat() + "'," |
| 285 |
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latest_values += str(point_value['value']) + "), " |
| 286 |
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latest_value_count += 1 |
| 287 |
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| 288 |
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if latest_value_count > 0: |
| 289 |
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try: |
| 290 |
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# replace "," at the end of string with ")" |
| 291 |
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cursor_historical_db.execute(delete_values[:-1] + ")") |
| 292 |
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cnx_historical_db.commit() |
| 293 |
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except Exception as e: |
| 294 |
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logger.error("Error in step 4.2.2 of acquisition process " + str(e)) |
| 295 |
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# ignore this exception |
| 296 |
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pass |
| 297 |
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| 298 |
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try: |
| 299 |
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# trim ", " at the end of string and then execute |
| 300 |
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cursor_historical_db.execute(latest_values[:-2]) |
| 301 |
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cnx_historical_db.commit() |
| 302 |
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except Exception as e: |
| 303 |
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logger.error("Error in step 4.2.3 of acquisition process " + str(e)) |
| 304 |
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# ignore this exception |
| 305 |
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pass |
| 306 |
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| 307 |
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if len(energy_value_list) > 0: |
| 308 |
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add_values = (" INSERT INTO tbl_energy_value (point_id, utc_date_time, actual_value) " |
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@@ 363-414 (lines=52) @@
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| 360 |
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# ignore this exception |
| 361 |
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pass |
| 362 |
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| 363 |
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if len(digital_value_list) > 0: |
| 364 |
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add_values = (" INSERT INTO tbl_digital_value (point_id, utc_date_time, actual_value) " |
| 365 |
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" VALUES ") |
| 366 |
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trend_value_count = 0 |
| 367 |
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| 368 |
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for point_value in digital_value_list: |
| 369 |
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if point_value['is_trend']: |
| 370 |
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add_values += " (" + str(point_value['point_id']) + "," |
| 371 |
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add_values += "'" + current_datetime_utc.isoformat() + "'," |
| 372 |
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add_values += str(point_value['value']) + "), " |
| 373 |
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trend_value_count += 1 |
| 374 |
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| 375 |
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if trend_value_count > 0: |
| 376 |
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try: |
| 377 |
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# trim ", " at the end of string and then execute |
| 378 |
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cursor_historical_db.execute(add_values[:-2]) |
| 379 |
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cnx_historical_db.commit() |
| 380 |
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except Exception as e: |
| 381 |
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logger.error("Error in step 4.4.1 of acquisition process: " + str(e)) |
| 382 |
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# ignore this exception |
| 383 |
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pass |
| 384 |
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|
| 385 |
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# update tbl_digital_value_latest |
| 386 |
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delete_values = " DELETE FROM tbl_digital_value_latest WHERE point_id IN ( " |
| 387 |
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latest_values = (" INSERT INTO tbl_digital_value_latest (point_id, utc_date_time, actual_value) " |
| 388 |
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" VALUES ") |
| 389 |
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latest_value_count = 0 |
| 390 |
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for point_value in digital_value_list: |
| 391 |
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delete_values += str(point_value['point_id']) + "," |
| 392 |
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latest_values += " (" + str(point_value['point_id']) + "," |
| 393 |
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latest_values += "'" + current_datetime_utc.isoformat() + "'," |
| 394 |
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latest_values += str(point_value['value']) + "), " |
| 395 |
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latest_value_count += 1 |
| 396 |
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| 397 |
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if latest_value_count > 0: |
| 398 |
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try: |
| 399 |
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# replace "," at the end of string with ")" |
| 400 |
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cursor_historical_db.execute(delete_values[:-1] + ")") |
| 401 |
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cnx_historical_db.commit() |
| 402 |
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except Exception as e: |
| 403 |
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logger.error("Error in step 4.4.2 of acquisition process " + str(e)) |
| 404 |
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# ignore this exception |
| 405 |
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pass |
| 406 |
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|
| 407 |
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try: |
| 408 |
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# trim ", " at the end of string and then execute |
| 409 |
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cursor_historical_db.execute(latest_values[:-2]) |
| 410 |
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cnx_historical_db.commit() |
| 411 |
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except Exception as e: |
| 412 |
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logger.error("Error in step 4.4.3 of acquisition process " + str(e)) |
| 413 |
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# ignore this exception |
| 414 |
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pass |
| 415 |
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| 416 |
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# sleep some seconds |
| 417 |
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time.sleep(config.interval_in_seconds) |
myems /
myems-modbus-tcp
