How to Filter Nested list Object by Attribute in DynamoDB
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I am new to AWS DynamoDB, i want to scan a list by attributes and list contains objects.
{
ID: 1,
MESSAGE: "HELLO WORLD!",
ITEMS: [
{
ITEMS_ID: "First",
DETAILS: "new item"
},
{
ITEMS_ID: "Second",
DETAILS: "old item"
}
]
}
I tried with full object scan.
dynamo_db = boto3.resource(source_db, region_name=region)
dynamo_table = dynamo_db.Table(table_name)
response = dynamo_table.scan(
FilterExpression="contains (#items, :itemVal)",
ExpressionAttributeNames={
"#items": "items"
},
ExpressionAttributeValues={
":itemVal": {
"ITEM_ID": "First",
"DETAILS" : "new item"
}
}
)
I need to scan "ITEMS" with only "ITEM_ID", not full object ?
python python-3.x python-2.7 amazon-dynamodb boto3
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
add a comment |
0
I am new to AWS DynamoDB, i want to scan a list by attributes and list contains objects.
{
ID: 1,
MESSAGE: "HELLO WORLD!",
ITEMS: [
{
ITEMS_ID: "First",
DETAILS: "new item"
},
{
ITEMS_ID: "Second",
DETAILS: "old item"
}
]
}
I tried with full object scan.
dynamo_db = boto3.resource(source_db, region_name=region)
dynamo_table = dynamo_db.Table(table_name)
response = dynamo_table.scan(
FilterExpression="contains (#items, :itemVal)",
ExpressionAttributeNames={
"#items": "items"
},
ExpressionAttributeValues={
":itemVal": {
"ITEM_ID": "First",
"DETAILS" : "new item"
}
}
)
I need to scan "ITEMS" with only "ITEM_ID", not full object ?
python python-3.x python-2.7 amazon-dynamodb boto3
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
add a comment |
0
0
0
I am new to AWS DynamoDB, i want to scan a list by attributes and list contains objects.
{
ID: 1,
MESSAGE: "HELLO WORLD!",
ITEMS: [
{
ITEMS_ID: "First",
DETAILS: "new item"
},
{
ITEMS_ID: "Second",
DETAILS: "old item"
}
]
}
I tried with full object scan.
dynamo_db = boto3.resource(source_db, region_name=region)
dynamo_table = dynamo_db.Table(table_name)
response = dynamo_table.scan(
FilterExpression="contains (#items, :itemVal)",
ExpressionAttributeNames={
"#items": "items"
},
ExpressionAttributeValues={
":itemVal": {
"ITEM_ID": "First",
"DETAILS" : "new item"
}
}
)
I need to scan "ITEMS" with only "ITEM_ID", not full object ?
python python-3.x python-2.7 amazon-dynamodb boto3
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
I am new to AWS DynamoDB, i want to scan a list by attributes and list contains objects.
{
ID: 1,
MESSAGE: "HELLO WORLD!",
ITEMS: [
{
ITEMS_ID: "First",
DETAILS: "new item"
},
{
ITEMS_ID: "Second",
DETAILS: "old item"
}
]
}
I tried with full object scan.
dynamo_db = boto3.resource(source_db, region_name=region)
dynamo_table = dynamo_db.Table(table_name)
response = dynamo_table.scan(
FilterExpression="contains (#items, :itemVal)",
ExpressionAttributeNames={
"#items": "items"
},
ExpressionAttributeValues={
":itemVal": {
"ITEM_ID": "First",
"DETAILS" : "new item"
}
}
)
I need to scan "ITEMS" with only "ITEM_ID", not full object ?
python python-3.x python-2.7 amazon-dynamodb boto3
python python-3.x python-2.7 amazon-dynamodb boto3
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
asked Nov 29 '18 at 6:21
abhimanyuabhimanyu
437
437
add a comment |
add a comment |
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